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
diff --git a/lib/CodeGen/CGObjCRuntime.h b/lib/CodeGen/CGObjCRuntime.h
index c0044e9..4bc293a 100644
--- a/lib/CodeGen/CGObjCRuntime.h
+++ b/lib/CodeGen/CGObjCRuntime.h
@@ -122,6 +122,10 @@
virtual llvm::Value *GetClass(BuilderType &Builder,
const ObjCInterfaceDecl *OID) = 0;
+ /// EnumerationMutationFunction - Return the function that's called by the
+ /// compiler when a mutation is detected during foreach iteration.
+ virtual llvm::Function *EnumerationMutationFunction() = 0;
+
/// If instance variable addresses are determined at runtime then this should
/// return true, otherwise instance variables will be accessed directly from
/// the structure. If this returns true then @defs is invalid for this