[llvm-dev] [Release-testers] [4.0.0 Release] Relase Candidate 1 has been tagged

[Hans Wennborg via llvm-dev]

On Thu, Jan 19, 2017 at 12:12 AM, Dimitry Andric <dimitry at andric.com> wrote:
> On 18 Jan 2017, at 16:45, Hans Wennborg via Release-testers <release-testers at lists.llvm.org> wrote:
>> Dear testers,
>>
>> 4.0.0-rc1 was just tagged from the branch, with r292377.
>>
>> There are still open merge requests and bugs, but I'd like to get the
>> testing started to see what issues come up.
>
> Unfortunately no builds for FreeBSD yet, as the Phase1 clang segfaults when building AsmParser.cpp:
>
> [  1%] Building CXX object lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o
> cd /home/dim/llvm-4.0.0/rc1/Phase2/Release/llvmCore-4.0.0-rc1.obj/lib/MC/MCParser && /home/dim/llvm-4.0
> .0/rc1/Phase1/Release/llvmCore-4.0.0-rc1.install/usr/local/bin/clang++   -DGTEST_HAS_RTTI=0 -D__STDC_CO
> NSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/dim/llvm-4.0.0/rc1/Phase2/Release/ll
> vmCore-4.0.0-rc1.obj/lib/MC/MCParser -I/home/dim/llvm-4.0.0/rc1/llvm.src/lib/MC/MCParser -I/home/dim/ll
> vm-4.0.0/rc1/Phase2/Release/llvmCore-4.0.0-rc1.obj/include -I/home/dim/llvm-4.0.0/rc1/llvm.src/include
> -I/usr/local/include  -fPIC -fvisibility-inlines-hidden -Wall -W -Wno-unused-parameter -Wwrite-strings
> -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wcovered-switch-default -Wnon-virtua
> l-dtor -Wdelete-non-virtual-dtor -Wstring-conversion -Werror=date-time -std=c++11 -ffunction-sections -
> fdata-sections -O3 -DNDEBUG    -fno-exceptions -fno-rtti -o CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o
>  -c /home/dim/llvm-4.0.0/rc1/llvm.src/lib/MC/MCParser/AsmParser.cpp
> /home/dim/llvm-4.0.0/rc1/llvm.src/lib/MC/MCParser/AsmParser.cpp:2043:25: warning: variable 'CppHashLocL
> ineNo' is uninitialized when used here [-Wuninitialized]
>         LastQueryLine = CppHashLocLineNo;
>                         ^~~~~~~~~~~~~~~~
> /home/dim/llvm-4.0.0/rc1/llvm.src/lib/MC/MCParser/AsmParser.cpp:2036:32: note: initialize the variable
> 'CppHashLocLineNo' to silence this warning
>       unsigned CppHashLocLineNo;
>                                ^
>                                 = 0
> /home/dim/llvm-4.0.0/rc1/llvm.src/lib/MC/MCParser/AsmParser.cpp:2155:71: warning: variable 'LineNo' is
> uninitialized when used here [-Wuninitialized]
>   SMDiagnostic NewDiag(*Diag.getSourceMgr(), Diag.getLoc(), Filename, LineNo,
>                                                                       ^~~~~~
> /home/dim/llvm-4.0.0/rc1/llvm.src/lib/MC/MCParser/AsmParser.cpp:2152:13: note: initialize the variable
> 'LineNo' to silence this warning
>   int LineNo =
>             ^
>              = 0
> clang-4.0: error: unable to execute command: Segmentation fault (core dumped)
> clang-4.0: error: clang frontend command failed due to signal (use -v to see invocation)
> clang version 4.0.0 (tags/RELEASE_400/rc1)
> Target: i386-unknown-freebsd10.3
> Thread model: posix
> InstalledDir: /home/dim/llvm-4.0.0/rc1/Phase1/Release/llvmCore-4.0.0-rc1.install/usr/local/bin
> clang-4.0: note: diagnostic msg: PLEASE submit a bug report to http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and associated run script.
> clang-4.0: note: diagnostic msg:
> ********************
>
> PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
> Preprocessed source(s) and associated run script(s) are located at:
> clang-4.0: note: diagnostic msg: /home/dim/tmp/AsmParser-c3ca7e.cpp
> clang-4.0: note: diagnostic msg: /home/dim/tmp/AsmParser-c3ca7e.sh
> clang-4.0: note: diagnostic msg:
>
> ********************
> gmake[2]: *** [lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/build.make:87: lib/MC/MCParser/CMakeFiles/LLVMMCParser.dir/AsmParser.cpp.o] Error 254
>
> I thought this might be because r292133 was not merged yet, but I was wrong about that, it *is* merged.
>
> So I will have to investigate why it crashes here.

Is this PR31692 that you filed today?