<div dir="ltr"><div>David, Dean, all, </div><div><br></div>The bots got red today with assertion failures in llvm::DbgVariable::addMMIEntry: <br><div><a href="http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/1816/steps/check-msan%20in%20gcc%20build/logs/stdio">http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/1816/steps/check-msan%20in%20gcc%20build/logs/stdio</a></div><div>I did not find the offender yet. Any ideas? <br><div><pre style="font-family:"courier new",courier,monotype,monospace;color:rgb(0,0,0);font-size:medium"><span class="gmail-stdout">clang-5.0: /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h:131: void llvm::DbgVariable::addMMIEntry(const llvm::DbgVariable&): Assertion `V.Var == Var && "conflicting variable"' failed.
clang-5.0: /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h:131: void llvm::DbgVariable::addMMIEntry(const llvm::DbgVariable&): Assertion `V.Var == Var && "conflicting variable"' failed.
#0 0x0000000002000bea llvm::sys::PrintStackTrace(llvm::raw_ostream&) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/Support/Unix/Signals.inc:402:0
#1 0x0000000001ffea1e llvm::sys::RunSignalHandlers() /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/Support/Signals.cpp:44:0
#2 0x0000000001ffeb92 SignalHandler(int) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/Support/Unix/Signals.inc:242:0
#3 0x00007fa903bee390 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x11390)
#4 0x00007fa902b7b428 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x35428)
#5 0x00007fa902b7d02a abort (/lib/x86_64-linux-gnu/libc.so.6+0x3702a)
#6 0x00007fa902b73bd7 (/lib/x86_64-linux-gnu/libc.so.6+0x2dbd7)
#7 0x00007fa902b73c82 (/lib/x86_64-linux-gnu/libc.so.6+0x2dc82)
#8 0x0000000002601cd4 llvm::DbgVariable::addMMIEntry(llvm::DbgVariable const&) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.h:130:0
#9 0x0000000002601cd4 llvm::DwarfFile::addScopeVariable(llvm::LexicalScope*, llvm::DbgVariable*) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfFile.cpp:104:0
#10 0x00000000025f5a29 llvm::DwarfDebug::createAbstractVariable(llvm::DILocalVariable const*, llvm::LexicalScope*) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-li</span><span class="gmail-stdout">nux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:746:0
</span><span class="gmail-stdout">#11 0x00000000025f5cf4 llvm::DwarfDebug::ensureAbstractVariableIsCreatedIfScoped(std::pair<llvm::DILocalVariable const*, llvm::DILocation const*>, llvm::MDNode const*) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:767:0
#12 0x00000000025f5d38 llvm::DwarfDebug::createConcreteVariable(llvm::LexicalScope&, std::pair<llvm::DILocalVariable const*, llvm::DILocation const*>) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:961:0
#13 0x00000000025f901c llvm::DwarfDebug::collectVariableInfo(llvm::DwarfCompileUnit&, llvm::DISubprogram const*, llvm::DenseSet<std::pair<llvm::DILocalVariable const*, llvm::DILocation const*>, llvm::DenseMapInfo<std::pair<llvm::DILocalVariable const*, llvm::DILocation const*> > >&) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:1005:0
#14 0x00000000025f9ae8 llvm::DwarfDebug::endFunctionImpl(llvm::MachineFunction const*) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp:1208:0
#15 0x000000000262f75a llvm::DebugHandlerBase::endFunction(llvm::MachineFunction const*) /mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/lib/CodeGen/AsmPrinter/DebugHandlerBase.cpp:256:0</span></pre></div></div></div>