[llvm-bugs] [Bug 47367] New: Segfault during consteval in 'Combine redundant instructions' pass

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Aug 31 08:21:17 PDT 2020


https://bugs.llvm.org/show_bug.cgi?id=47367

            Bug ID: 47367
           Summary: Segfault during consteval in 'Combine redundant
                    instructions' pass
           Product: clang
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: C++2a
          Assignee: unassignedclangbugs at nondot.org
          Reporter: Gaetano.Checinski at gmail.com
                CC: blitzrakete at gmail.com, erik.pilkington at gmail.com,
                    llvm-bugs at lists.llvm.org, richard-llvm at metafoo.co.uk

Works in clang-10.0.1 but not in clang trunk.

code example:
https://godbolt.org/z/j4bGxx

Furthermore this slight variation works:
https://godbolt.org/z/beMvE9

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