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

[Dimitry Andric via cfe-dev]

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.

-Dimitry

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