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Explain why LLVM is emitting a DW_AT_containing_type inside of a class.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@224555 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Adrian Prantl 2014-12-19 00:01:20 +00:00
parent 827f4eb6a3
commit 7a6f0084e2
1 changed files with 2 additions and 0 deletions
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lib/CodeGen/AsmPrinter/DwarfUnit.cpp
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@ -1118,6 +1118,8 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) {
if (CTy.isAppleBlockExtension())
addFlag(Buffer, dwarf::DW_AT_APPLE_block);
// This is outside the DWARF spec, but GDB expects a DW_AT_containing_type
// inside C++ composite types to point to the base class with the vtable.
DICompositeType ContainingType(resolve(CTy.getContainingType()));
if (ContainingType)
addDIEEntry(Buffer, dwarf::DW_AT_containing_type,