[libcxxabi] r256323 - Add new tests for throwing incomplete pointer types
Hans Wennborg via cfe-commits
cfe-commits at lists.llvm.org
Tue Jan 19 09:43:49 PST 2016
That sounds great. Thanks!
On Tue, Jan 19, 2016 at 9:33 AM, Eric Fiselier <eric at efcs.ca> wrote:
> Hi Hans,
>
> Can I have today to work on this? If I can't come up with a fix we can
> revert tommorow.
> I'll ping you tommorow with the result.
>
> Does that work?
>
> /Eric
>
> On Tue, Jan 19, 2016 at 10:30 AM, Hans Wennborg <hans at chromium.org> wrote:
>>
>> Nico pointed out his revert should probably be merged to 3.8.
>>
>> Has there been any follow-up here, e.g. fixes, that I should be aware of?
>>
>> Thanks,
>> Hans
>>
>> On Fri, Jan 15, 2016 at 7:48 AM, Nico Weber via cfe-commits
>> <cfe-commits at lists.llvm.org> wrote:
>> > I reverted this and 322 for now in 257896.
>> >
>> > On Fri, Jan 15, 2016 at 10:36 AM, Nico Weber <thakis at chromium.org>
>> > wrote:
>> >>
>> >> This test fails on OS X for me:
>> >>
>> >>
>> >> Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
>> >> FAIL: libc++abi :: incomplete_type.sh.cpp (29529 of 29545)
>> >> ******************** TEST 'libc++abi :: incomplete_type.sh.cpp' FAILED
>> >> ********************
>> >> Script:
>> >> --
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
>> >> -v -DLIBCXXABI_NO_TIMER -funwind-tables -std=c++1z -nostdinc++
>> >> -I/Users/thakis/src/chrome/src/third_party/llvm/projects/libcxx/include
>> >>
>> >> -I/Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/include
>> >> -isysroot
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk
>> >> -c
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/test/incomplete_type.sh.cpp
>> >> -o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.one.o
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
>> >> -v -DLIBCXXABI_NO_TIMER -funwind-tables -std=c++1z -nostdinc++
>> >> -I/Users/thakis/src/chrome/src/third_party/llvm/projects/libcxx/include
>> >>
>> >> -I/Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/include
>> >> -isysroot
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk
>> >> -c
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/test/incomplete_type.sh.cpp
>> >> -o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.two.o
>> >> -DTU_ONE
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
>> >> -v -nodefaultlibs
>> >> -L/Users/thakis/src/chrome/src/third_party/llvm-bootstrap/lib
>> >> -Wl,-rpath,/Users/thakis/src/chrome/src/third_party/llvm-bootstrap/lib
>> >> -lc++
>> >> -lc++abi -lSystem -o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.exe
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.one.o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.two.o
>> >>
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.exe
>> >> --
>> >> Exit Code: 134
>> >>
>> >> Command Output (stderr):
>> >> --
>> >> Apple LLVM version 7.0.0 (clang-700.1.76)
>> >> Target: x86_64-apple-darwin15.0.0
>> >> Thread model: posix
>> >>
>> >>
>> >> "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
>> >> -cc1 -triple x86_64-apple-macosx10.11.0 -Wdeprecated-objc-isa-usage
>> >> -Werror=deprecated-objc-isa-usage -emit-obj -mrelax-all -disable-free
>> >> -disable-llvm-verifier -main-file-name incomplete_type.sh.cpp
>> >> -mrelocation-model pic -pic-level 2 -mthread-model posix
>> >> -mdisable-fp-elim
>> >> -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version
>> >> 253.6
>> >> -v -dwarf-column-info -coverage-file
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.one.o
>> >> -nostdinc++ -resource-dir
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/7.0.0
>> >> -isysroot
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk
>> >> -D LIBCXXABI_NO_TIMER -I
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxx/include
>> >> -I
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/include
>> >> -stdlib=libc++ -std=c++1z -fdeprecated-macro -fdebug-compilation-dir
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test
>> >> -ferror-limit 19 -fmessage-length 0 -stack-protector 1 -mstackrealign
>> >> -fblocks -fobjc-runtime=macosx-10.11.0
>> >> -fencode-extended-block-signature
>> >> -fcxx-exceptions -fexceptions -fmax-type-align=16
>> >> -fdiagnostics-show-option
>> >> -o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.one.o
>> >> -x c++
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/test/incomplete_type.sh.cpp
>> >> clang -cc1 version 7.0.0 based upon LLVM 3.7.0svn default target
>> >> x86_64-apple-darwin15.0.0
>> >> ignoring nonexistent directory
>> >>
>> >> "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/local/include"
>> >> ignoring nonexistent directory
>> >>
>> >> "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/Library/Frameworks"
>> >> #include "..." search starts here:
>> >> #include <...> search starts here:
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxx/include
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/7.0.0/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks
>> >> (framework directory)
>> >> End of search list.
>> >> Apple LLVM version 7.0.0 (clang-700.1.76)
>> >> Target: x86_64-apple-darwin15.0.0
>> >> Thread model: posix
>> >>
>> >>
>> >> "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang"
>> >> -cc1 -triple x86_64-apple-macosx10.11.0 -Wdeprecated-objc-isa-usage
>> >> -Werror=deprecated-objc-isa-usage -emit-obj -mrelax-all -disable-free
>> >> -disable-llvm-verifier -main-file-name incomplete_type.sh.cpp
>> >> -mrelocation-model pic -pic-level 2 -mthread-model posix
>> >> -mdisable-fp-elim
>> >> -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version
>> >> 253.6
>> >> -v -dwarf-column-info -coverage-file
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.two.o
>> >> -nostdinc++ -resource-dir
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/7.0.0
>> >> -isysroot
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk
>> >> -D LIBCXXABI_NO_TIMER -D TU_ONE -I
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxx/include
>> >> -I
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/include
>> >> -stdlib=libc++ -std=c++1z -fdeprecated-macro -fdebug-compilation-dir
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test
>> >> -ferror-limit 19 -fmessage-length 0 -stack-protector 1 -mstackrealign
>> >> -fblocks -fobjc-runtime=macosx-10.11.0
>> >> -fencode-extended-block-signature
>> >> -fcxx-exceptions -fexceptions -fmax-type-align=16
>> >> -fdiagnostics-show-option
>> >> -o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.two.o
>> >> -x c++
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/test/incomplete_type.sh.cpp
>> >> clang -cc1 version 7.0.0 based upon LLVM 3.7.0svn default target
>> >> x86_64-apple-darwin15.0.0
>> >> ignoring nonexistent directory
>> >>
>> >> "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/local/include"
>> >> ignoring nonexistent directory
>> >>
>> >> "/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/Library/Frameworks"
>> >> #include "..." search starts here:
>> >> #include <...> search starts here:
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxx/include
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm/projects/libcxxabi/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/../lib/clang/7.0.0/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/usr/include
>> >>
>> >>
>> >> /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.11.sdk/System/Library/Frameworks
>> >> (framework directory)
>> >> End of search list.
>> >> Apple LLVM version 7.0.0 (clang-700.1.76)
>> >> Target: x86_64-apple-darwin15.0.0
>> >> Thread model: posix
>> >>
>> >>
>> >> "/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ld"
>> >> -demangle -dynamic -arch x86_64 -macosx_version_min 10.11.0 -o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.exe
>> >> -L/Users/thakis/src/chrome/src/third_party/llvm-bootstrap/lib -rpath
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/lib -lc++
>> >> -lc++abi
>> >> -lSystem
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.one.o
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.two.o
>> >> libc++abi.dylib: terminating with uncaught exception of type int
>> >> NeverDefined::*
>> >>
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.script:
>> >> line 4: 58282 Abort trap: 6
>> >>
>> >> /Users/thakis/src/chrome/src/third_party/llvm-bootstrap/projects/libcxxabi/test/Output/incomplete_type.sh.cpp.tmp.exe
>> >>
>> >> --
>> >>
>> >> On Wed, Dec 23, 2015 at 2:04 AM, Eric Fiselier via cfe-commits
>> >> <cfe-commits at lists.llvm.org> wrote:
>> >>>
>> >>> Author: ericwf
>> >>> Date: Wed Dec 23 01:04:32 2015
>> >>> New Revision: 256323
>> >>>
>> >>> URL: http://llvm.org/viewvc/llvm-project?rev=256323&view=rev
>> >>> Log:
>> >>> Add new tests for throwing incomplete pointer types
>> >>>
>> >>> Modified:
>> >>> libcxxabi/trunk/test/incomplete_type.sh.cpp
>> >>>
>> >>> Modified: libcxxabi/trunk/test/incomplete_type.sh.cpp
>> >>> URL:
>> >>>
>> >>> http://llvm.org/viewvc/llvm-project/libcxxabi/trunk/test/incomplete_type.sh.cpp?rev=256323&r1=256322&r2=256323&view=diff
>> >>>
>> >>>
>> >>> ==============================================================================
>> >>> --- libcxxabi/trunk/test/incomplete_type.sh.cpp (original)
>> >>> +++ libcxxabi/trunk/test/incomplete_type.sh.cpp Wed Dec 23 01:04:32
>> >>> 2015
>> >>> @@ -14,9 +14,9 @@
>> >>> // incomplete flags set, equality can be tested by comparing the
>> >>> type_info
>> >>> // addresses.
>> >>>
>> >>> -// RUN: %cxx %compile_flags -c %s -o %t.one.o
>> >>> -// RUN: %cxx %compile_flags -c %s -o %t.two.o -DTU_ONE
>> >>> -// RUN: %cxx %link_flags -o %t.exe %t.one.o %t.two.o
>> >>> +// RUN: %cxx %flags %compile_flags -c %s -o %t.one.o
>> >>> +// RUN: %cxx %flags %compile_flags -c %s -o %t.two.o -DTU_ONE
>> >>> +// RUN: %cxx %flags %link_flags -o %t.exe %t.one.o %t.two.o
>> >>> // RUN: %t.exe
>> >>>
>> >>> #include <stdio.h>
>> >>> @@ -24,28 +24,42 @@
>> >>> #include <typeinfo>
>> >>>
>> >>> struct NeverDefined;
>> >>> -void ThrowNeverDefined();
>> >>> +void ThrowNeverDefinedMP();
>> >>>
>> >>> struct IncompleteAtThrow;
>> >>> -void ThrowIncomplete();
>> >>> -std::type_info const& ReturnTypeInfoIncomplete();
>> >>> +void ThrowIncompleteMP();
>> >>> +void ThrowIncompletePP();
>> >>> +void ThrowIncompletePMP();
>> >>> +std::type_info const& ReturnTypeInfoIncompleteMP();
>> >>> +std::type_info const& ReturnTypeInfoIncompletePP();
>> >>>
>> >>> struct CompleteAtThrow;
>> >>> -void ThrowComplete();
>> >>> -std::type_info const& ReturnTypeInfoComplete();
>> >>> +void ThrowCompleteMP();
>> >>> +void ThrowCompletePP();
>> >>> +void ThrowCompletePMP();
>> >>> +std::type_info const& ReturnTypeInfoCompleteMP();
>> >>> +std::type_info const& ReturnTypeInfoCompletePP();
>> >>>
>> >>> void ThrowNullptr();
>> >>>
>> >>> #ifndef TU_ONE
>> >>>
>> >>> -void ThrowNeverDefined() { throw (int NeverDefined::*)nullptr; }
>> >>> +void ThrowNeverDefinedMP() { throw (int NeverDefined::*)nullptr; }
>> >>>
>> >>> -void ThrowIncomplete() { throw (int IncompleteAtThrow::*)nullptr; }
>> >>> -std::type_info const& ReturnTypeInfoIncomplete() { return typeid(int
>> >>> IncompleteAtThrow::*); }
>> >>> +void ThrowIncompleteMP() { throw (int IncompleteAtThrow::*)nullptr; }
>> >>> +void ThrowIncompletePP() { throw (IncompleteAtThrow**)nullptr; }
>> >>> +void ThrowIncompletePMP() { throw (int IncompleteAtThrow::**)nullptr;
>> >>> }
>> >>> +
>> >>> +std::type_info const& ReturnTypeInfoIncompleteMP() { return
>> >>> typeid(int
>> >>> IncompleteAtThrow::*); }
>> >>> +std::type_info const& ReturnTypeInfoIncompletePP() { return
>> >>> typeid(IncompleteAtThrow**); }
>> >>>
>> >>> struct CompleteAtThrow {};
>> >>> -void ThrowComplete() { throw (int CompleteAtThrow::*)nullptr; }
>> >>> -std::type_info const& ReturnTypeInfoComplete() { return typeid(int
>> >>> CompleteAtThrow::*); }
>> >>> +void ThrowCompleteMP() { throw (int CompleteAtThrow::*)nullptr; }
>> >>> +void ThrowCompletePP() { throw (CompleteAtThrow**)nullptr; }
>> >>> +void ThrowCompletePMP() { throw (int CompleteAtThrow::**)nullptr; }
>> >>> +
>> >>> +std::type_info const& ReturnTypeInfoCompleteMP() { return typeid(int
>> >>> CompleteAtThrow::*); }
>> >>> +std::type_info const& ReturnTypeInfoCompletePP() { return
>> >>> typeid(CompleteAtThrow**); }
>> >>>
>> >>> void ThrowNullptr() { throw nullptr; }
>> >>>
>> >>> @@ -54,16 +68,81 @@ void ThrowNullptr() { throw nullptr; }
>> >>> struct IncompleteAtThrow {};
>> >>>
>> >>> int main() {
>> >>> - assert(ReturnTypeInfoIncomplete() != typeid(int
>> >>> IncompleteAtThrow::*));
>> >>> try {
>> >>> - ThrowIncomplete();
>> >>> + ThrowNeverDefinedMP();
>> >>> + assert(false);
>> >>> + } catch (int IncompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (int CompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (int NeverDefined::*) {}
>> >>> +
>> >>> + assert(ReturnTypeInfoIncompleteMP() != typeid(int
>> >>> IncompleteAtThrow::*));
>> >>> + try {
>> >>> + ThrowIncompleteMP();
>> >>> + assert(false);
>> >>> + } catch (CompleteAtThrow**) {
>> >>> + assert(false);
>> >>> + } catch (int CompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (IncompleteAtThrow**) {
>> >>> + assert(false);
>> >>> } catch (int IncompleteAtThrow::*) {}
>> >>>
>> >>> - assert(ReturnTypeInfoComplete() != typeid(int CompleteAtThrow::*));
>> >>> + assert(ReturnTypeInfoIncompletePP() !=
>> >>> typeid(IncompleteAtThrow**));
>> >>> + try {
>> >>> + ThrowIncompletePP();
>> >>> + assert(false);
>> >>> + } catch (int IncompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (IncompleteAtThrow**) {}
>> >>> +
>> >>> try {
>> >>> - ThrowComplete();
>> >>> + ThrowIncompletePMP();
>> >>> + assert(false);
>> >>> + } catch (int IncompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (IncompleteAtThrow**) {
>> >>> + assert(false);
>> >>> + } catch (int IncompleteAtThrow::**) {}
>> >>> +
>> >>> + assert(ReturnTypeInfoCompleteMP() != typeid(int
>> >>> CompleteAtThrow::*));
>> >>> + try {
>> >>> + ThrowCompleteMP();
>> >>> + assert(false);
>> >>> + } catch (IncompleteAtThrow**) {
>> >>> + assert(false);
>> >>> + } catch (int IncompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (CompleteAtThrow**) {
>> >>> + assert(false);
>> >>> } catch (int CompleteAtThrow::*) {}
>> >>>
>> >>> + assert(ReturnTypeInfoCompletePP() != typeid(CompleteAtThrow**));
>> >>> + try {
>> >>> + ThrowCompletePP();
>> >>> + assert(false);
>> >>> + } catch (IncompleteAtThrow**) {
>> >>> + assert(false);
>> >>> + } catch (int IncompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (int CompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (CompleteAtThrow**) {}
>> >>> +
>> >>> + try {
>> >>> + ThrowCompletePMP();
>> >>> + assert(false);
>> >>> + } catch (IncompleteAtThrow**) {
>> >>> + assert(false);
>> >>> + } catch (int IncompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (int CompleteAtThrow::*) {
>> >>> + assert(false);
>> >>> + } catch (CompleteAtThrow**) {
>> >>> + assert(false);
>> >>> + } catch (int CompleteAtThrow::**) {}
>> >>> +
>> >>> #if __cplusplus >= 201103L
>> >>> // Catch nullptr as complete type
>> >>> try {
>> >>> @@ -76,7 +155,7 @@ int main() {
>> >>> } catch (int CompleteAtThrow::*) {}
>> >>> // Catch nullptr as a type that is never complete.
>> >>> try {
>> >>> - ThrowNeverDefined();
>> >>> + ThrowNullptr();
>> >>> } catch (int NeverDefined::*) {}
>> >>> #endif
>> >>> }
>> >>>
>> >>>
>> >>> _______________________________________________
>> >>> cfe-commits mailing list
>> >>> cfe-commits at lists.llvm.org
>> >>> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>> >>
>> >>
>> >
>> >
>> > _______________________________________________
>> > cfe-commits mailing list
>> > cfe-commits at lists.llvm.org
>> > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
>> >
>
>
More information about the cfe-commits
mailing list