[llvm-bugs] [Bug 40957] New: blockaddresses compare equal

via llvm-bugs llvm-bugs at lists.llvm.org
Mon Mar 4 11:04:56 PST 2019


https://bugs.llvm.org/show_bug.cgi?id=40957

            Bug ID: 40957
           Summary: blockaddresses compare equal
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Interprocedural Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: ndesaulniers at google.com
                CC: jyknight at google.com, llvm-bugs at lists.llvm.org,
                    llvm-dev at ndave.org, srhines at google.com

GCC and Clang disagree on whether different GNU-C local labels compare equal:
https://godbolt.org/z/1JuiSL.

I *think* Clang is correct in the second case, but it's not as clear cut to me
in the first case.

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