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Revert "AsmPrinter: Change DIEValue to be stored by value"

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This reverts commit r238349, since it caused some errors on bots:
  - std::is_trivially_copyable isn't available until GCC 5.0.
  - It was complaining about strict aliasing with my use of
    ArrayCharUnion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238350 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2015-05-27 19:30:27 +00:00
parent b9d92c6a8d
commit 3c41ae83f2
12 changed files with 542 additions and 512 deletions
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5
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
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@@ -1340,8 +1340,9 @@ static dwarf::PubIndexEntryDescriptor computeIndexValue(DwarfUnit *CU,
// We could have a specification DIE that has our most of our knowledge,
// look for that now.
if (DIEValue SpecVal = Die->findAttribute(dwarf::DW_AT_specification)) {
DIE &SpecDIE = SpecVal.getDIEEntry().getEntry();
DIEValue *SpecVal = Die->findAttribute(dwarf::DW_AT_specification);
if (SpecVal) {
DIE &SpecDIE = cast<DIEEntry>(SpecVal)->getEntry();
if (SpecDIE.findAttribute(dwarf::DW_AT_external))
Linkage = dwarf::GIEL_EXTERNAL;
} else if (Die->findAttribute(dwarf::DW_AT_external))