[llvm-dev] SourceMgr vs EXPENSIVE_CHECKS
Jay Foad via llvm-dev
llvm-dev at lists.llvm.org
Tue Sep 3 13:28:00 PDT 2019
Hmm. What about the errors I quoted from using clang-7 (starting about
a third of the way down my email, sorry if they got kinda lost in all
the noise)?
Thanks,
Jay.
On Tue, 3 Sep 2019 at 20:00, David Blaikie <dblaikie at gmail.com> wrote:
>
> Looks to me like a bug in GCC's constexpr+_GLIBCXX_CONCEPT_CHECKS support. Small test case:
>
> $ g++-8 test.cpp -std=c++2a -fsyntax-only
> $ g++-8 test.cpp -std=c++2a -fsyntax-only -D_GLIBCXX_CONCEPT_CHECKS
> In file included from /usr/include/c++/8/algorithm:62,
> from test.cpp:1:
> test.cpp:3:27: in ‘constexpr’ expansion of ‘std::min<int>(std::initializer_list<int>{((const int*)(& ._61)), 6})’
> /usr/include/c++/8/bits/stl_algo.h:3451:31: error: ‘constexpr _FIter std::min_element(_FIter, _FIter) [with _FIter = const int*]’ called in a constant expression
> { return *std::min_element(__l.begin(), __l.end()); }
> ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
> /usr/include/c++/8/bits/stl_algo.h:5610:12: note: ‘constexpr _FIter std::min_element(_FIter, _FIter) [with _FIter = const int*]’ is not usable as a ‘constexpr’ function because:
> inline min_element(_ForwardIterator __first, _ForwardIterator __last)
> ^~~~~~~~~~~
> In file included from /usr/include/c++/8/bits/move.h:34,
> from /usr/include/c++/8/bits/stl_pair.h:59,
> from /usr/include/c++/8/utility:70,
> from /usr/include/c++/8/algorithm:60,
> from test.cpp:1:
> /usr/include/c++/8/bits/stl_algo.h:5613:7: error: call to non-‘constexpr’ function ‘void __gnu_cxx::__function_requires() [with _Concept = __gnu_cxx::_ForwardIteratorConcept<const int*>]’
> __glibcxx_function_requires(_ForwardIteratorConcept<_ForwardIterator>)
> ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>
> On Tue, Sep 3, 2019 at 7:10 AM Jay Foad via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>>
>> Hi,
>>
>> I'm trying to build llvm (git monorepo) on Ubuntu 18.04 with
>> EXPENSIVE_CHECKS enabled and running into various errors compiling
>> SourceMgr.cpp, depending on which host compiler I use.
>>
>> For example with GCC:
>>
>> $ CC=gcc-8 CXX=g++-8 cmake -GNinja -DCMAKE_BUILD_TYPE=Debug
>> -DLLVM_ENABLE_EXPENSIVE_CHECKS=ON ~/git/llvm-project/llvm/ && ninja
>> ...
>> [89/2690] Building CXX object
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o
>> FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o
>> /usr/lib/ccache/g++-8 -DEXPENSIVE_CHECKS -DGTEST_HAS_RTTI=0 -D_DEBUG
>> -D_GLIBCXX_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS
>> -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/Support
>> -I/home/jayfoad2/git/llvm-project/llvm/lib/Support -Iinclude
>> -I/home/jayfoad2/git/llvm-project/llvm/incl
>> ude -fPIC -fvisibility-inlines-hidden -Werror=date-time -std=c++14
>> -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual
>> -Wno-missing-field-initializers -pedantic -Wno-long-long
>> -Wimplicit-fallthrough -Wno-maybe-uninitialized -Wno-class-memaccess
>> -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wno-comment
>> -fdiagnostics-color -g -fno-exceptions -fno-rtti -MD -MT
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o -MF
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o.d -o
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o -c
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp
>> In file included from /usr/include/c++/8/algorithm:62,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/MathExtras.h:18,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/SmallVector.h:19,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/STLExtras.h:20,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/StringRef.h:12,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/StringMap.h:16,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/Host.h:16,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/Hashing.h:48,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/ArrayRef.h:12,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:18,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:
>> In instantiation of ‘constexpr const int
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*>::NumLowBitsAvailable’:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:144:48:
>> required from ‘struct llvm::PointerIntPairInfo<void*, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*> >’
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:71:32:
>> required from ‘void llvm::PointerIntPair<PointerTy, IntBits,
>> IntType, PtrTraits, Info>::initWithPointer(PointerTy) [with PointerTy
>> = void*; unsigned int IntBits = 2; IntType = int; PtrTraits =
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*>; Info = llvm::PointerIntPairInfo<void*, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*> >]’
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:227:5:
>> required from ‘const llvm::PointerUnion<PTs>&
>> llvm::PointerUnion<PTs>::operator=(std::nullptr_t) [with PTs =
>> {std::__debug::vector<unsigned char, std::allocator<unsigned char> >*,
>> std::__debug::vector<short unsigned int, std::allocator<short unsigned
>> int> >*, std::__debug::vector<unsigned int, std::allocator<unsigned
>> int> >*, std::__debug::vector<long unsigned int, std::allocator<long
>> unsigned int> >*}; std::nullptr_t = std::nullptr_t]’
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:107:23:
>> required from here
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:93:72:
>> in ‘constexpr’ expansion of
>> ‘llvm::pointer_union_detail::lowBitsAvailable<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*>()’
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:64:25:
>> in ‘constexpr’ expansion of
>> ‘std::min<int>(std::initializer_list<int>{((const int*)(& ._125)),
>> 4})’
>> /usr/include/c++/8/bits/stl_algo.h:3451:31: error: ‘constexpr _FIter
>> std::min_element(_FIter, _FIter) [with _FIter = const int*]’ called in
>> a constant expression
>> { return *std::min_element(__l.begin(), __l.end()); }
>> ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
>> /usr/include/c++/8/bits/stl_algo.h:5610:12: note: ‘constexpr _FIter
>> std::min_element(_FIter, _FIter) [with _FIter = const int*]’ is not
>> usable as a ‘constexpr’ function because:
>> inline min_element(_ForwardIterator __first, _ForwardIterator __last)
>> ^~~~~~~~~~~
>> In file included from /usr/include/c++/8/debug/debug.h:84,
>> from /usr/include/c++/8/bits/stl_algobase.h:69,
>> from /usr/include/c++/8/memory:62,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/Optional.h:22,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/STLExtras.h:19,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/StringRef.h:12,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/StringMap.h:16,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/Host.h:16,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/Hashing.h:48,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/ArrayRef.h:12,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:18,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> /usr/include/c++/8/bits/stl_algo.h:5616:7: error: call to
>> non-‘constexpr’ function ‘bool __gnu_debug::__valid_range(const
>> _InputIterator&, const _InputIterator&) [with _InputIterator = const
>> int*]’
>> __glibcxx_requires_valid_range(__first, __last);
>> ^
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:18,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20,
>> from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:
>> In instantiation of ‘struct llvm::PointerIntPairInfo<void*, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*> >’:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:71:32:
>> required from ‘void llvm::PointerIntPair<PointerTy, IntBits,
>> IntType, PtrTraits, Info>::initWithPointer(PointerTy) [with PointerTy
>> = void*; unsigned int IntBits = 2; IntType = int; PtrTraits =
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*>; Info = llvm::PointerIntPairInfo<void*, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> >*, std::__debug::vector<short
>> unsigned int, std::allocator<short unsigned int> >*,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> >*,
>> std::__debug::vector<long unsigned int, std::allocator<long unsigned
>> int> >*> >]’
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:227:5:
>> required from ‘const llvm::PointerUnion<PTs>&
>> llvm::PointerUnion<PTs>::operator=(std::nullptr_t) [with PTs =
>> {std::__debug::vector<unsigned char, std::allocator<unsigned char> >*,
>> std::__debug::vector<short unsigned int, std::allocator<short unsigned
>> int> >*, std::__debug::vector<unsigned int, std::allocator<unsigned
>> int> >*, std::__debug::vector<long unsigned int, std::allocator<long
>> unsigned int> >*}; std::nullptr_t = std::nullptr_t]’
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:107:23:
>> required from here
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:149:8:
>> error: enumerator value for ‘IntShift’ is not an integer constant
>> enum : uintptr_t {
>> ^
>>
>>
>> For example with Clang:
>>
>> $ CC=clang-7 CXX=clang++-7 cmake -GNinja -DCMAKE_BUILD_TYPE=Debug
>> -DLLVM_ENABLE_EXPENSIVE_CHECKS=ON ~/git/llvm-project/llvm/ && ninja
>> [...]
>> [91/2690] Building CXX object
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o
>> FAILED: lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o
>> /usr/bin/clang++-7 -DEXPENSIVE_CHECKS -DGTEST_HAS_RTTI=0 -D_DEBUG
>> -D_GLIBCXX_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS
>> -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/Support
>> -I/home/jayfoad2/git/llvm-project/llvm/lib/Support -Iinclude
>> -I/home/jayfoad2/git/llvm-project/llvm/include -fPIC
>> -fvisibility-inlines-hidden -Werror=date-time
>> -Werror=unguarded-availability-new -std=c++14 -Wall -Wextra
>> -Wno-unused-parameter -Wwrite-strings -Wcast-qual
>> -Wmissing-field-initializers -pedantic -Wno-long-long
>> -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type
>> -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wstring-conversion
>> -fdiagnostics-color -g -fno-exceptions -fno-rtti -MD -MT
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o -MF
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o.d -o
>> lib/Support/CMakeFiles/LLVMSupport.dir/SourceMgr.cpp.o -c
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:93:26:
>> error: constexpr variable 'NumLowBitsAvailable' must be initialized by
>> a constant expression
>> static constexpr int NumLowBitsAvailable = lowBitsAvailable<PTs...>();
>> ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:144:17:
>> note: in instantiation of template class
>> 'llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>' requested here
>> static_assert(PtrTraits::NumLowBitsAvailable <
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:71:13:
>> note: in instantiation of template class
>> 'llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> >' requested here
>> Value = Info::updatePointer(0, PtrVal);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:227:15:
>> note: in instantiation of member function 'llvm::PointerIntPair<void
>> *, 2, int, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >::initWithPointer' requested here
>> this->Val.initWithPointer(nullptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:107:21:
>> note: in instantiation of member function
>> 'llvm::PointerUnion<std::__debug::vector<unsigned char,
>> std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>::operator=' requested here
>> Other.OffsetCache = nullptr;
>> ^
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/bits/stl_algo.h:5616:7:
>> note: non-constexpr function '__valid_range<const int *>' cannot be
>> used in a constant expression
>> __glibcxx_requires_valid_range(__first, __last);
>> ^
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/debug/debug.h:88:3:
>> note: expanded from macro '__glibcxx_requires_valid_range'
>> __glibcxx_check_valid_range(_First,_Last)
>> ^
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/debug/macros.h:54:23:
>> note: expanded from macro '__glibcxx_check_valid_range'
>> _GLIBCXX_DEBUG_VERIFY(__gnu_debug::__valid_range(_First, _Last), \
>> ^
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/bits/stl_algo.h:3451:15:
>> note: in call to 'min_element(&{PointerLikeTypeTraits<vector<unsigned
>> char, allocator<unsigned char> > *>::NumLowBitsAvailable,
>> PointerLikeTypeTraits<vector<unsigned short, allocator<unsigned short>
>> > *>::NumLowBitsAvailable, PointerLikeTypeTraits<vector<unsigned int,
>> allocator<unsigned int> > *>::NumLowBitsAvailable,
>> PointerLikeTypeTraits<vector<unsigned long, allocator<unsigned long> >
>> *>::NumLowBitsAvailable}[0], &{PointerLikeTypeTraits<vector<unsigned
>> char, allocator<unsigned char> > *>::NumLowBitsAvailable,
>> PointerLikeTypeTraits<vector<unsigned short, allocator<unsigned short>
>> > *>::NumLowBitsAvailable, PointerLikeTypeTraits<vector<unsigned int,
>> allocator<unsigned int> > *>::NumLowBitsAvailable,
>> PointerLikeTypeTraits<vector<unsigned long, allocator<unsigned long> >
>> *>::NumLowBitsAvailable}[4])'
>> { return *std::min_element(__l.begin(), __l.end()); }
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:64:12:
>> note: in call to 'min({&{PointerLikeTypeTraits<vector<unsigned char,
>> allocator<unsigned char> > *>::NumLowBitsAvailable,
>> PointerLikeTypeTraits<vector<unsigned short, allocator<unsigned short>
>> > *>::NumLowBitsAvailable, PointerLikeTypeTraits<vector<unsigned int,
>> allocator<unsigned int> > *>::NumLowBitsAvailable,
>> PointerLikeTypeTraits<vector<unsigned long, allocator<unsigned long> >
>> *>::NumLowBitsAvailable}[0], 4})'
>> return std::min<int>({PointerLikeTypeTraits<Ts>::NumLowBitsAvailable...});
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:93:48:
>> note: in call to 'lowBitsAvailable()'
>> static constexpr int NumLowBitsAvailable = lowBitsAvailable<PTs...>();
>> ^
>> /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../include/c++/8/debug/helper_functions.h:161:5:
>> note: declared here
>> __valid_range(const _InputIterator& __first, const _InputIterator& __last)
>> ^
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:18:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:144:17:
>> error: static_assert expression is not an integral constant expression
>> static_assert(PtrTraits::NumLowBitsAvailable <
>> ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:71:13:
>> note: in instantiation of template class
>> 'llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> >' requested here
>> Value = Info::updatePointer(0, PtrVal);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:227:15:
>> note: in instantiation of member function 'llvm::PointerIntPair<void
>> *, 2, int, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >::initWithPointer' requested here
>> this->Val.initWithPointer(nullptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:107:21:
>> note: in instantiation of member function
>> 'llvm::PointerUnion<std::__debug::vector<unsigned char,
>> std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>::operator=' requested here
>> Other.OffsetCache = nullptr;
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:144:17:
>> note: initializer of 'NumLowBitsAvailable' is not a constant
>> expression
>> static_assert(PtrTraits::NumLowBitsAvailable <
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:93:26:
>> note: declared here
>> static constexpr int NumLowBitsAvailable = lowBitsAvailable<PTs...>();
>> ^
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:18:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:71:17:
>> error: incomplete definition of type 'llvm::PointerIntPairInfo<void *,
>> 2, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> >'
>> Value = Info::updatePointer(0, PtrVal);
>> ~~~~^~
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:227:15:
>> note: in instantiation of member function 'llvm::PointerIntPair<void
>> *, 2, int, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >::initWithPointer' requested here
>> this->Val.initWithPointer(nullptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:107:21:
>> note: in instantiation of member function
>> 'llvm::PointerUnion<std::__debug::vector<unsigned char,
>> std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>::operator=' requested here
>> Other.OffsetCache = nullptr;
>> ^
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:18:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:58:47:
>> error: no member named 'getPointer' in 'llvm::PointerIntPairInfo<void
>> *, 2, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> >'
>> PointerTy getPointer() const { return Info::getPointer(Value); }
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:179:43:
>> note: in instantiation of member function 'llvm::PointerIntPair<void
>> *, 2, int, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >::getPointer' requested here
>> bool isNull() const { return !this->Val.getPointer(); }
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:111:20:
>> note: in instantiation of member function
>> 'llvm::PointerUnion<std::__debug::vector<unsigned char,
>> std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>::isNull' requested here
>> if (!OffsetCache.isNull()) {
>> ^
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:18:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:60:50:
>> error: no member named 'getInt' in 'llvm::PointerIntPairInfo<void *,
>> 2, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> >'
>> IntType getInt() const { return (IntType)Info::getInt(Value); }
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:188:22:
>> note: in instantiation of member function 'llvm::PointerIntPair<void
>> *, 2, int, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >::getInt' requested here
>> return this->Val.getInt() == Index;
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:112:21:
>> note: in instantiation of function template specialization
>> 'llvm::PointerUnion<std::__debug::vector<unsigned char,
>> std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>::is<std::__debug::vector<unsigned char, std::allocator<unsigned
>> char> > *>' requested here
>> if (OffsetCache.is<std::vector<uint8_t>*>())
>> ^
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:195:12:
>> error: no matching member function for call to 'is'
>> assert(is<T>() && "Invalid accessor called");
>> ^~~~~
>> /usr/include/assert.h:93:27: note: expanded from macro 'assert'
>> (static_cast <bool> (expr) \
>> ^~~~
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:115:26:
>> note: in instantiation of function template specialization
>> 'llvm::PointerUnion<std::__debug::vector<unsigned char,
>> std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>::get<std::__debug::vector<unsigned short, std::allocator<unsigned
>> short> > *>' requested here
>> delete OffsetCache.get<std::vector<uint16_t>*>();
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:184:29:
>> note: candidate template ignored: substitution failure [with T =
>> std::__debug::vector<unsigned short, std::allocator<unsigned short> >
>> *]
>> template <typename T> int is() const {
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:195:12:
>> error: no matching member function for call to 'is'
>> assert(is<T>() && "Invalid accessor called");
>> ^~~~~
>> /usr/include/assert.h:93:27: note: expanded from macro 'assert'
>> (static_cast <bool> (expr) \
>> ^~~~
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:117:26:
>> note: in instantiation of function template specialization
>> 'llvm::PointerUnion<std::__debug::vector<unsigned char,
>> std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>::get<std::__debug::vector<unsigned int, std::allocator<unsigned
>> int> > *>' requested here
>> delete OffsetCache.get<std::vector<uint32_t>*>();
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:184:29:
>> note: candidate template ignored: substitution failure [with T =
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *]
>> template <typename T> int is() const {
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:89:27:
>> error: no matching member function for call to 'get'
>> Offsets = OffsetCache.get<std::vector<T> *>();
>> ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:136:17:
>> note: in instantiation of function template specialization
>> 'llvm::SourceMgr::SrcBuffer::getLineNumber<unsigned char>' requested
>> here
>> LineNo = SB.getLineNumber<uint8_t>(Ptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:194:27:
>> note: candidate template ignored: substitution failure [with T =
>> std::__debug::vector<unsigned char, std::allocator<unsigned char> > *]
>> template <typename T> T get() const {
>> ^
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:15:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/Support/SourceMgr.h:20:
>> In file included from
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:18:
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:75:19:
>> error: no member named 'updateInt' in 'llvm::PointerIntPairInfo<void
>> *, 2, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> >'
>> Value = Info::updateInt(Info::updatePointer(0, PtrVal),
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerIntPair.h:53:5:
>> note: in instantiation of member function 'llvm::PointerIntPair<void
>> *, 2, int, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >::setPointerAndInt' requested here
>> setPointerAndInt(PtrVal, IntVal);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:131:19:
>> note: in instantiation of member function 'llvm::PointerIntPair<void
>> *, 2, int, llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >::PointerIntPair' requested here
>> this->Val = ValTy(
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:79:17:
>> note: in instantiation of member function
>> 'llvm::pointer_union_detail::PointerUnionMembers<llvm::PointerUnion<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPair<void *, 2, int,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> >
>> *>, llvm::PointerIntPairInfo<void *, 2,
>> llvm::pointer_union_detail::PointerUnionUIntTraits<std::__debug::vector<unsigned
>> char, std::allocator<unsigned char> > *, std::__debug::vector<unsigned
>> short, std::allocator<unsigned short> > *,
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *,
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *>
>> > >, 0, std::__debug::vector<unsigned char, std::allocator<unsigned
>> char> > *, std::__debug::vector<unsigned short,
>> std::allocator<unsigned short> > *, std::__debug::vector<unsigned int,
>> std::allocator<unsigned int> > *, std::__debug::vector<unsigned long,
>> std::allocator<unsigned long> > *>::operator=' requested here
>> OffsetCache = Offsets;
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:136:17:
>> note: in instantiation of function template specialization
>> 'llvm::SourceMgr::SrcBuffer::getLineNumber<unsigned char>' requested
>> here
>> LineNo = SB.getLineNumber<uint8_t>(Ptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:89:27:
>> error: no matching member function for call to 'get'
>> Offsets = OffsetCache.get<std::vector<T> *>();
>> ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:138:17:
>> note: in instantiation of function template specialization
>> 'llvm::SourceMgr::SrcBuffer::getLineNumber<unsigned short>' requested
>> here
>> LineNo = SB.getLineNumber<uint16_t>(Ptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:194:27:
>> note: candidate template ignored: substitution failure [with T =
>> std::__debug::vector<unsigned short, std::allocator<unsigned short> >
>> *]
>> template <typename T> T get() const {
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:89:27:
>> error: no matching member function for call to 'get'
>> Offsets = OffsetCache.get<std::vector<T> *>();
>> ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:140:17:
>> note: in instantiation of function template specialization
>> 'llvm::SourceMgr::SrcBuffer::getLineNumber<unsigned int>' requested
>> here
>> LineNo = SB.getLineNumber<uint32_t>(Ptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:194:27:
>> note: candidate template ignored: substitution failure [with T =
>> std::__debug::vector<unsigned int, std::allocator<unsigned int> > *]
>> template <typename T> T get() const {
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:89:27:
>> error: no matching member function for call to 'get'
>> Offsets = OffsetCache.get<std::vector<T> *>();
>> ~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~
>> /home/jayfoad2/git/llvm-project/llvm/lib/Support/SourceMgr.cpp:142:17:
>> note: in instantiation of function template specialization
>> 'llvm::SourceMgr::SrcBuffer::getLineNumber<unsigned long>' requested
>> here
>> LineNo = SB.getLineNumber<uint64_t>(Ptr);
>> ^
>> /home/jayfoad2/git/llvm-project/llvm/include/llvm/ADT/PointerUnion.h:194:27:
>> note: candidate template ignored: substitution failure [with T =
>> std::__debug::vector<unsigned long, std::allocator<unsigned long> > *]
>> template <typename T> T get() const {
>> ^
>> 12 errors generated.
>>
>>
>> Any idea what's wrong, or what I'm doing wrong?
>>
>> Thanks,
>> Jay.
>> _______________________________________________
>> LLVM Developers mailing list
>> llvm-dev at lists.llvm.org
>> https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
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