[llvm-bugs] [Bug 34974] New: LLI build with LLVM_USE_INTEL_JITEVENTS crashes on Windows 7

via llvm-bugs llvm-bugs at lists.llvm.org
Tue Oct 17 01:34:22 PDT 2017


            Bug ID: 34974
           Summary: LLI build with LLVM_USE_INTEL_JITEVENTS crashes on
                    Windows 7
           Product: tools
           Version: 4.0
          Hardware: PC
                OS: other
            Status: NEW
          Severity: normal
          Priority: P
         Component: lli
          Assignee: unassignedbugs at nondot.org
          Reporter: Florian.PICHLMEIER at 3ds.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 19299
  --> https://bugs.llvm.org/attachment.cgi?id=19299&action=edit


I have build LLVM 4 with -DLLVM_USE_INTEL_JITEVENTS=true, which works fine on
Linux, but on Windows it crashes in lli. The problem occurs at the access of
the DebugObj.getData().data() in IntelJITEventListener.cpp, with DebugObj being
a struct at NULL.

I tried LLVM 5.0 and the same issue appeared

Attached is a minimal reproducer generated with Clang

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