[llvm-bugs] [Bug 38787] New: MCCodeView assertion and compilation failure with benchmark library

via llvm-bugs llvm-bugs at lists.llvm.org
Fri Aug 31 01:34:56 PDT 2018


https://bugs.llvm.org/show_bug.cgi?id=38787

            Bug ID: 38787
           Summary: MCCodeView assertion and compilation failure with
                    benchmark library
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Windows XP
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: kbobyrev.opensource at gmail.com
                CC: llvm-bugs at lists.llvm.org

rL340809 pulled google/benchmark library into LLVM library and started building
it by default. Unfortunately, that seems to trigger an assertion in the stage 2
Windows build. You can see buildbot logs (link below) for more file which fails
to compile, assertion location and stack trace. This seems like codegen
failure.

I had to disable benchmark on Windows in 340905.

Revision where bug is reproducible: 340828
Windows buildbot logs:
http://lab.llvm.org:8011/builders/clang-x86-windows-msvc2015/builds/13495/steps/build%20stage%202/logs/stdio

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