[modules] Don't write the UnusedFileScopedDecls vector to the module file.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@177001 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Serialization/ASTWriter.cpp b/lib/Serialization/ASTWriter.cpp
index 58a196d..10a8044 100644
--- a/lib/Serialization/ASTWriter.cpp
+++ b/lib/Serialization/ASTWriter.cpp
@@ -3531,8 +3531,9 @@
// Build a record containing all of the file scoped decls in this file.
RecordData UnusedFileScopedDecls;
- AddLazyVectorDecls(*this, SemaRef.UnusedFileScopedDecls,
- UnusedFileScopedDecls);
+ if (!isModule)
+ AddLazyVectorDecls(*this, SemaRef.UnusedFileScopedDecls,
+ UnusedFileScopedDecls);
// Build a record containing all of the delegating constructors we still need
// to resolve.