[LLVMbugs] [Bug 11695] New: clang++ DWARF DW_TAG_friend generated wrong

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Tue Jan 3 09:08:41 PST 2012


             Bug #: 11695
           Summary: clang++ DWARF DW_TAG_friend generated wrong
           Product: new-bugs
           Version: 2.9
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P
         Component: new bugs
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: davea42 at gmail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

Created attachment 7832
  --> http://llvm.org/bugs/attachment.cgi?id=7832
source code used to generate bad DWARF

DW_TAG_friend is first documented in DWARF4 and should have
a DW_AT_friend attribute, not the attributes listed here
(attributes as shown by dwarfdump -i -M).

< 4><0x00000dd4>          DW_TAG_friend
        DW_AT_type                  <0x00000272> <form DW_FORM_ref4>
        DW_AT_data_member_location  DW_OP_plus_uconst 0 <form DW_FORM_block1>
        DW_AT_accessibility         DW_AT_accessibility has a bad form.

This is 2.9.    The compile command was clang++ -O0 -g const.cpp
on Ubuntu 11.10 x86_64.  And on Ubuntu 11.10 x86.

David Anderson,  maintainer of dwarfdump/libdwarf.

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