[llvm-bugs] [Bug 28518] New: fatal error: error in backend: Cannot select: intrinsic %llvm.x86.bmi.pdep.32

[via llvm-bugs]

https://llvm.org/bugs/show_bug.cgi?id=28518

            Bug ID: 28518
           Summary: fatal error: error in backend: Cannot select:
                    intrinsic %llvm.x86.bmi.pdep.32
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: -New Bugs
          Assignee: unassignedclangbugs at nondot.org
          Reporter: johnd at dyalog.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

Created attachment 16726
  --> https://llvm.org/bugs/attachment.cgi?id=16726&action=edit
.cpp and .sh files generated at the time of failure.

Had the error compiling with make probably running 4 instances of clang
concurrently. Full output from the compiler as follows:

fatal error: error in backend: Cannot select: intrinsic %llvm.x86.bmi.pdep.32
clang.exe: error: clang frontend command failed with exit code 70 (use -v to
see invocation)
clang version 3.8.243773
Target: i386-unknown-linux
Thread model: posix
clang.exe: note: diagnostic msg: PLEASE submit a bug report to
http://llvm.org/bugs/ and include the crash backtrace, preprocessed source, and
associated run script.
clang.exe: note: diagnostic msg:
********************

PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
Preprocessed source(s) and associated run script(s) are located at:
clang.exe: note: diagnostic msg: C:\tmp\bmi2-501063.cpp
clang.exe: note: diagnostic msg: C:\tmp\bmi2-501063.sh
clang.exe: note: diagnostic msg:

The .cpp and .sh files are in the attached zip.

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