[llvm-bugs] [Bug 44817] New: clang crashes when load my ModulePass

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=44817

            Bug ID: 44817
           Summary: clang crashes when load my ModulePass
           Product: clang
           Version: 9.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: pcy190 at 126.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
                    neeilans at live.com, richard-llvm at metafoo.co.uk

Created attachment 23104
  --> https://bugs.llvm.org/attachment.cgi?id=23104&action=edit
The crash backtrace and error log of clang output

When I load my pass with empty runOnModule which outs<<"status" only, the pass
and clang work well. But when I iterator the Module object or use any
attributes of Modules, the clang crashes.

I just attach the crash error log and my code.
Following the crash clang output instructions, I submit this bug.

I compile the llvm 9.0.0 source and test it under Ubuntu18.04 x64 platform.

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