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-rw-r--r--clang/lib/Serialization/ASTReader.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index 67c917bba49..c16bc336da1 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -1271,6 +1271,7 @@ MacroInfo *ASTReader::ReadMacroRecord(ModuleFile &F, uint64_t Offset) {
MacroInfo *MI = PP.AllocateDeserializedMacroInfo(Loc, SubModID);
MI->setDefinitionEndLoc(ReadSourceLocation(F, Record, NextIndex));
MI->setIsUsed(Record[NextIndex++]);
+ MI->setUsedForHeaderGuard(Record[NextIndex++]);
if (RecType == PP_MACRO_FUNCTION_LIKE) {
// Decode function-like macro info.
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