1 files changed, 1 insertions, 1 deletions
diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index 03d1b115d02..d81d73d4ba7 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -3767,7 +3767,7 @@ void ASTDeclReader::UpdateDecl(Decl *D, ModuleFile &ModuleFile,
       ReadCXXRecordDefinition(RD, /*Update*/true);
 
       // Visible update is handled separately.
-      uint64_t LexicalOffset = Record[Idx++];
+      uint64_t LexicalOffset = ReadLocalOffset(Record, Idx);
       if (!HadRealDefinition && LexicalOffset) {
         Reader.ReadLexicalDeclContextStorage(ModuleFile, ModuleFile.DeclsCursor,
                                              LexicalOffset, RD);