[llvm-bugs] [Bug 28151] New: [DebugInfo] Extend member pointer DI metadata to support the MS ABI

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Wed Jun 15 17:24:45 PDT 2016


https://llvm.org/bugs/show_bug.cgi?id=28151

            Bug ID: 28151
           Summary: [DebugInfo] Extend member pointer DI metadata to
                    support the MS ABI
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: LLVM Codegen
          Assignee: unassignedclangbugs at nondot.org
          Reporter: rnk at google.com
                CC: llvm-bugs at lists.llvm.org
    Classification: Unclassified

We need to pass the member pointer representation information through the
member pointer type. This only requires 2 bits, but I'm not sure where they
should live in the DIDerivedType that we use for DW_TAG_ptr_to_member. I'm
inclined to steal the bits from 'flags', rather than trying to reuse the
'offsetInBits' or 'line' fields, which are not used with DW_TAG_ptr_to_member.

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