forked from OSchip/llvm-project
[ThinLTO] Import type as decl only when non-null Identifier
As per post-commit review for r289993 (D27775), we can only safely import a type as a decl if it has an Identifier, as the Name alone is not enough to be unique across modules. llvm-svn: 290915
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llvm/lib/Bitcode/Reader
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@ -749,7 +749,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
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// handles the case where this is type ODRed with a definition needed
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// by the importing module, in which case the existing definition is
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// used.
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if (IsImporting && !ImportFullTypeDefinitions &&
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if (IsImporting && !ImportFullTypeDefinitions && Identifier &&
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(Tag == dwarf::DW_TAG_enumeration_type ||
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Tag == dwarf::DW_TAG_class_type ||
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Tag == dwarf::DW_TAG_structure_type ||
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