Fixed a problem caused by foreward @class use

which consequently caused a Seg fault. during meta-data
generation. It also addresses an issue related to
late binding of newly synthesize ivars (when we support it).

llvm-svn: 64563

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index d4fe26ed678..652fcdf8080 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -1210,6 +1210,18 @@ QualType ASTContext::getObjCInterfaceType(ObjCInterfaceDecl *Decl) {
   return QualType(Decl->TypeForDecl, 0);
 }
 
+/// buildObjCInterfaceType - Returns a new type for the interface
+/// declaration, regardless. It also removes any previously built 
+/// record declaration so caller can rebuild it.
+QualType ASTContext::buildObjCInterfaceType(ObjCInterfaceDecl *Decl) {
+  const RecordDecl *&RD = ASTRecordForInterface[Decl];
+  if (RD)
+    RD = 0;
+  Decl->TypeForDecl = new(*this,8) ObjCInterfaceType(Type::ObjCInterface, Decl);
+  Types.push_back(Decl->TypeForDecl);
+  return QualType(Decl->TypeForDecl, 0);
+}
+
 /// \brief Retrieve the template type parameter type for a template
 /// parameter with the given depth, index, and (optionally) name.
 QualType ASTContext::getTemplateTypeParmType(unsigned Depth, unsigned Index,