PR33924: Merge block-scope anonymous declarations if there are multiple definitions of the enclosing function.

llvm-svn: 314956

1 files changed, 1 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index 57f509ea6f6..118417c9305 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -467,6 +467,7 @@ FunctionDecl *ASTDeclReader::TryRegisterAsFunctionDefinition(FunctionDecl *D) {
     // declaration.
     if (Definition != D) {
       // Already have a different definition, merge this one into it.
+      Reader.MergedDeclContexts.insert(std::make_pair(D, Definition));
       Reader.mergeDefinitionVisibility(Definition, D);
     }
     return Definition;