[llvm-bugs] [Bug 40540] New: Rename COMDATs when renaming COMDAT leader for CFI

via llvm-bugs llvm-bugs at lists.llvm.org
Wed Jan 30 13:44:10 PST 2019


            Bug ID: 40540
           Summary: Rename COMDATs when renaming COMDAT leader for CFI
           Product: new-bugs
           Version: 8.0
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: dmajor at mozilla.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org,
                    peter at pcc.me.uk, tejohnson at google.com

In bug 40414 comment #15, Teresa Johnson writes:

> This turns out to be a separate instance of renaming provoking this issue.
> In this case, the module was split due to CFI, and no renaming/promotion was
> required since the comdat and the leader are in the same module.
> However, in LowerTypeTests.cpp a ".cfi" suffix is added to the function
> definition which is the comdat leader, provoking the same error. This is an
> existing issue unrelated to the one provoked by changing the splitting
> default. Probably needs a separate bug to track. You could cc
> peter at pcc.me.uk and myself.

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