Make the deserialization of C++ base class specifiers lazy, improving

the performance of C++ PCH and reducing stack depth in the reader.

llvm-svn: 117732

1 files changed, 6 insertions, 0 deletions

diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
index 37c7765dc89..7d80f318566 100644
--- a/clang/lib/Serialization/ASTWriterDecl.cpp
+++ b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -1182,6 +1182,12 @@ void ASTWriter::WriteDecl(ASTContext &Context, Decl *D) {
 
   // Flush any expressions that were written as part of this declaration.
   FlushStmts();
+  
+  // Flush C++ base specifiers, if there are any.
+  FlushCXXBaseSpecifiers();
+  
+  // Flush any expressions that were written as part of the base specifiers.
+  FlushStmts();
 
   // Note "external" declarations so that we can add them to a record in the
   // AST file later.