Handle mutation while enumerating correctly. Fix some bugs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55583 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/lib/CodeGen/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index 4565fbfeb0..4d69aed816 100644
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -120,6 +120,7 @@ public:
                                            const ObjCProtocolDecl *PD);
   virtual void GenerateProtocol(const ObjCProtocolDecl *PD);
   virtual llvm::Function *ModuleInitFunction();
+  virtual llvm::Function *EnumerationMutationFunction();
 };
 } // end anonymous namespace
 
@@ -958,6 +959,13 @@ llvm::Function *CGObjCGNU::GenerateMethod(const ObjCMethodDecl *OMD) {
   return Method;
 }
 
+llvm::Function *CGObjCGNU::EnumerationMutationFunction()
+{
+  assert(0 && "No enumeration mutation function in the GNU runtime!");
+  
+  return 0;
+}
+
 CodeGen::CGObjCRuntime *CodeGen::CreateGNUObjCRuntime(CodeGen::CodeGenModule &CGM){
   return new CGObjCGNU(CGM);
 }