Support locally-declared external declarations in PCH files
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69833 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHWriter.cpp b/lib/Frontend/PCHWriter.cpp
index 097ced2..0aada62 100644
--- a/lib/Frontend/PCHWriter.cpp
+++ b/lib/Frontend/PCHWriter.cpp
@@ -2033,6 +2033,16 @@
TD != TDEnd; ++TD)
AddDeclRef(TD->second, TentativeDefinitions);
+ // Build a record containing all of the locally-scoped external
+ // declarations in this header file. Generally, this record will be
+ // empty.
+ RecordData LocallyScopedExternalDecls;
+ for (llvm::DenseMap<DeclarationName, NamedDecl *>::iterator
+ TD = SemaRef.LocallyScopedExternalDecls.begin(),
+ TDEnd = SemaRef.LocallyScopedExternalDecls.end();
+ TD != TDEnd; ++TD)
+ AddDeclRef(TD->second, LocallyScopedExternalDecls);
+
// Write the remaining PCH contents.
RecordData Record;
Stream.EnterSubblock(pch::PCH_BLOCK_ID, 3);
@@ -2058,6 +2068,11 @@
// Write the record containing tentative definitions.
if (!TentativeDefinitions.empty())
Stream.EmitRecord(pch::TENTATIVE_DEFINITIONS, TentativeDefinitions);
+
+ // Write the record containing locally-scoped external definitions.
+ if (!LocallyScopedExternalDecls.empty())
+ Stream.EmitRecord(pch::LOCALLY_SCOPED_EXTERNAL_DECLS,
+ LocallyScopedExternalDecls);
// Some simple statistics
Record.clear();