[cfe-dev] Compiler crash on libclang with r171300

[Matthieu Monrocq]

On Mon, Dec 31, 2012 at 8:53 PM, Benjamin Kramer <benny.kra at gmail.com>wrote:

>
> On 31.12.2012, at 17:12, Matthieu Monrocq <matthieu.monrocq at gmail.com>
> wrote:
>
> > Hello,
> >
> > I was trying to compile the Release+Assert of LLVM + Clang at r171300
> and I hit an assertion building
> ~/llvm/tools/clang/tools/libclang/ARCMigrate.cpp with the newly built clang
> (whilst the Debug build worked fine).
> >
> > (and no I don't care to create a BugZilla account to report a bug...)
>
> I reverted the offending change in r171318, selfhost should work again.
>
> - Ben
>

I confirm that r171342 works again (well, I don't have compiler-rt checked
out, so it works up until that point at least). Thanks!

-- Matthieu


> >
> >
> > Console:
> >
> > clang: ~/llvm/include/llvm/ADT/APInt.h:888: bool
> llvm::APInt::operator==(const llvm::APInt &) const: Assertion `BitWidth ==
> RHS.BitWidth && "Comparison requires equal bit widths"' failed.
> > 0  clang 0x09bfa4e9
> > Stack dump:
> > 0.      Program arguments: ~/llvm-release/Release+Asserts/bin/clang -cc1
> -triple i386-pc-linux-gnu -emit-obj -disable-free -main-file-name
> ARCMigrate.cpp -mrelocation-model pic -pic-level 2 -relaxed-aliasing
> -fmath-errno -masm-verbose -mconstructor-aliases -target-cpu pentium4
> -target-linker-version 2.22 -momit-leaf-frame-pointer -coverage-file
> ~/llvm-release/tools/clang/tools/libclang/Release+Asserts/ARCMigrate.o
> -resource-dir ~/llvm-release/Release+Asserts/bin/../lib/clang/3.3
> -dependency-file
> ~/llvm-release/tools/clang/tools/libclang/Release+Asserts/ARCMigrate.d.tmp
> -MP -MT
> ~/llvm-release/tools/clang/tools/libclang/Release+Asserts/ARCMigrate.o -MT
> ~/llvm-release/tools/clang/tools/libclang/Release+Asserts/ARCMigrate.d -D
> _DEBUG -D _GNU_SOURCE -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D
> __STDC_LIMIT_MACROS -I ~/llvm-release/include -I
> ~/llvm-release/tools/clang/tools/libclang -I ~/llvm/include -I
> ~/llvm/tools/clang/tools/libclang -I
> ~/llvm/tools/clang/tools/libclang/../../include -I
> ~/llvm-release/tools/clang/tools/libclang/../../include -fmodule-cache-path
> /var/tmp/clang-module-cache -internal-isystem
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../../include/c++/4.6
> -internal-isystem
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../../include/c++/4.6/i686-linux-gnu
> -internal-isystem
> /usr/lib/gcc/i686-linux-gnu/4.6/../../../../include/c++/4.6/backward
> -internal-isystem /usr/local/include -internal-isystem
> ~/llvm-release/Release+Asserts/bin/../lib/clang/3.3/include
> -internal-externc-isystem /usr/include/i386-linux-gnu
> -internal-externc-isystem /include -internal-externc-isystem /usr/include
> -O3 -Woverloaded-virtual -Wcast-qual -Wno-long-long -Wall -W
> -Wno-unused-parameter -Wwrite-strings -Wcovered-switch-default -pedantic
> -fconst-strings -fdeprecated-macro -fdebug-compilation-dir
> ~/llvm-release/tools/clang/tools/libclang -ferror-limit 19 -fmessage-length
> 207 -fvisibility-inlines-hidden -mstackrealign -fno-rtti -fobjc-runtime=gcc
> -fdiagnostics-show-option -fcolor-diagnostics -backend-option
> -vectorize-loops -o
> ~/llvm-release/tools/clang/tools/libclang/Release+Asserts/ARCMigrate.o -x
> c++ ~/llvm/tools/clang/tools/libclang/ARCMigrate.cpp
> > 1.      <eof> parser at end of file
> > 2.      Per-module optimization passes
> > 3.      Running pass 'CallGraph Pass Manager' on module
> '~/llvm/tools/clang/tools/libclang/ARCMigrate.cpp'.
> > 4.      Running pass 'Global Value Numbering' on function
> '@clang_getRemappingsFromFileList'
> > clang: error: unable to execute command: Aborted (core dumped)
> > clang: error: clang frontend command failed due to signal (use -v to see
> invocation)
> > clang version 3.3 (trunk 171300)
> > Target: i386-pc-linux-gnu
> > Thread model: posix
> > clang: note: diagnostic msg: PLEASE submit a bug report to
> http://llvm.org/bugs/ and include the crash backtrace, preprocessed
> source, and associated run script.
> >
> >
> >
> <ARCMigrate-DVKTIX.rar><ARCMigrate-DVKTIX.sh>_______________________________________________
> > cfe-dev mailing list
> > cfe-dev at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-dev
>
>
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