[LLVMbugs] [Bug 19475] New: MS ABI: Different mangling for vftable thunk

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=19475

            Bug ID: 19475
           Summary: MS ABI: Different mangling for vftable thunk
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: david.majnemer at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 12401
  --> http://llvm.org/bugs/attachment.cgi?id=12401&action=edit
test case

compile 32-bit with clang and msvc, observe:

.obj: offset 4 in vftable ??_7ClassName8@@6BClassName0@@@ has mismatch:
?Overrid
eMethod at ClassName4@@$4PPPPPPPM at PPPPPOLE@AEXXZ vs
?OverrideMethod at ClassName4@@$R4
BE at BA@PPPPPPPM at BBA@AEXXZ
found

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