[LLVMbugs] [Bug 5442] New: llvm-gcc miscompiles LLVM on powerpc-apple-darwin9

[bugzilla-daemon at cs.uiuc.edu]

http://llvm.org/bugs/show_bug.cgi?id=5442

           Summary: llvm-gcc miscompiles LLVM on powerpc-apple-darwin9
           Product: new-bugs
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: daniel at zuster.org
                CC: evan.cheng at apple.com, nicholas at mxc.ca,
                    llvmbugs at cs.uiuc.edu


I recently switched the smooshlab powerpc-apple-darwin9 to do a two stage LLVM
build. The second build of LLVM (Release, using the stage one llvm-gcc) fails
to pass the tests because tblgen is crashing in the LLVMC tests:
--
spang:test buildslave$ (export
PATH=/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.obj/Release/bin:/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/Scripts:"$PATH";
ignore tblgen -I
/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/LLVMC/../../include
--gen-llvmc
/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/LLVMC/MultiplePluginPriorities.td)
tblgen: More than one 'PluginPriority' instance found: most probably an error!
spang:test buildslave$ (export
PATH=/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.obj.2/Release/bin:/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/Scripts:"$PATH";
ignore tblgen -I
/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/LLVMC/../../include
--gen-llvmc
/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/LLVMC/MultiplePluginPriorities.td)
terminate called without an active exception
0  tblgen            0x0015621c main + 158684
1  tblgen            0x00156ba4 main + 161124
2  libSystem.B.dylib 0x956da9fc _sigtramp + 68
Stack dump:
0.      Program arguments: tblgen -I
/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/LLVMC/../../include
--gen-llvmc
/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/LLVMC/MultiplePluginPriorities.td 
/Volumes/SandBox/zorg/buildbot/smooshlab/slave/build.llvm-gcc-powerpc-darwin9/llvm.src/test/Scripts/ignore:
line 9: 16504 Abort trap              "$@"
--

It looks like LLVM (stage 2) is getting miscompiled.


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