[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
This commit is contained in:
Teresa Johnson 2017-01-03 23:19:29 +00:00
parent 491fe5bec0
commit 5a8dba5bda
1 changed files with 1 additions and 1 deletions
llvm/lib/Bitcode/Reader

View File

@ -749,7 +749,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata(
// handles the case where this is type ODRed with a definition needed
// by the importing module, in which case the existing definition is
// used.
if (IsImporting && !ImportFullTypeDefinitions &&
if (IsImporting && !ImportFullTypeDefinitions && Identifier &&
(Tag == dwarf::DW_TAG_enumeration_type ||
Tag == dwarf::DW_TAG_class_type ||
Tag == dwarf::DW_TAG_structure_type ||