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Tolerate invalid derived type.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86269 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel
2009-11-06 18:24:05 +00:00
parent f7807f6b9e
commit 5ebfa2d181
2 changed files with 17 additions and 0 deletions
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lib/Analysis/DebugInfo.cpp
+4
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@@ -409,6 +409,10 @@ uint64_t DIDerivedType::getOriginalTypeSize() const {
Tag == dwarf::DW_TAG_const_type || Tag == dwarf::DW_TAG_volatile_type ||
Tag == dwarf::DW_TAG_restrict_type) {
DIType BaseType = getTypeDerivedFrom();
// If this type is not derived from any type then take conservative
// approach.
if (BaseType.isNull())
return getSizeInBits();
if (BaseType.isDerivedType())
return DIDerivedType(BaseType.getNode()).getOriginalTypeSize();
else