[llvm-bugs] [Bug 43316] New: RISCV64 Segmentation fault (core dumped) Running pass 'Function Pass Manager' on module '../ruby-2.5.5/transcode.c'.

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=43316

            Bug ID: 43316
           Summary: RISCV64 Segmentation fault (core dumped) Running pass
                    'Function Pass Manager' on module
                    '../ruby-2.5.5/transcode.c'.
           Product: clang
           Version: 9.0
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: raj.khem at gmail.com
                CC: llvm-bugs at lists.llvm.org, neeilans at live.com,
                    richard-llvm at metafoo.co.uk

Created attachment 22494
  --> https://bugs.llvm.org/attachment.cgi?id=22494&action=edit
test case and runscript

Latest release/9.x clang is crashing while building ruby on riscv64

1.      <eof> parser at end of file
2.      Code generation
3.      Running pass 'Function Pass Manager' on module
'../ruby-2.5.5/transcode.c'.
4.      Running pass 'Machine Copy Propagation Pass' on function
'@str_transcode0'
clang-9: error: unable to execute command: Segmentation fault (core dumped)
clang-9: error: clang frontend command failed due to signal (use -v to see
invocation)
clang version 9.0.0 (https://github.com/llvm/llvm-project
02a0ef03e6d4b03c510040b152ec6da2898c534b)
Target: riscv64-yoe-linux
Thread model: posix

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