[llvm-bugs] [Bug 36546] New: GlobalOpt breaks musttail invariant

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36546

            Bug ID: 36546
           Summary: GlobalOpt breaks musttail invariant
           Product: libraries
           Version: trunk
          Hardware: PC
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: Interprocedural Optimizations
          Assignee: unassignedbugs at nondot.org
          Reporter: fedor at indutny.com
                CC: llvm-bugs at lists.llvm.org

GlobalOpt changes calling convention of musttail call sites, thus violating the
invariant that musttail calls require: matching signatures and cconv.

I'll probably look into it tomorrow myself.

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