Stub out CodeGenFunction::EmitObjCForCollectionStmt.

Add CodeGenFunction::EmitMemSetToZero and make AggExprEmitter::EmitAggregateClear use it.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55573 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjC.cpp b/lib/CodeGen/CGObjC.cpp
index 79b5011..3b7e3a1 100644
--- a/lib/CodeGen/CGObjC.cpp
+++ b/lib/CodeGen/CGObjC.cpp
@@ -16,6 +16,7 @@
 #include "CodeGenModule.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/DeclObjC.h"
+#include "llvm/ADT/STLExtras.h"
 
 using namespace clang;
 using namespace CodeGen;
@@ -260,4 +261,9 @@
                                            false, Args);
 }
 
+void CodeGenFunction::EmitObjCForCollectionStmt(const ObjCForCollectionStmt &S)
+{
+  ErrorUnsupported(&S, "for ... in statement");
+}
+
 CGObjCRuntime::~CGObjCRuntime() {}