Move handling of @try and @throw to the runtime class.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@55983 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGObjCMac.cpp b/lib/CodeGen/CGObjCMac.cpp
index 26e8c5f..f0e7097 100644
--- a/lib/CodeGen/CGObjCMac.cpp
+++ b/lib/CodeGen/CGObjCMac.cpp
@@ -373,6 +373,12 @@
 
   virtual llvm::Function *ModuleInitFunction();
   virtual llvm::Function *EnumerationMutationFunction();
+  
+  virtual void EmitTryStmt(CodeGen::CodeGenFunction &CGF,
+                           const ObjCAtTryStmt &S);
+  virtual void EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
+                             const ObjCAtThrowStmt &S);
+  
 };
 } // end anonymous namespace
 
@@ -1392,6 +1398,18 @@
   return ObjCTypes.EnumerationMutationFn;
 }
 
+void CGObjCMac::EmitTryStmt(CodeGen::CodeGenFunction &CGF,
+                            const ObjCAtTryStmt &S)
+{
+  CGF.ErrorUnsupported(&S, "@try statement");
+}
+
+void CGObjCMac::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
+                              const ObjCAtThrowStmt &S)
+{
+  CGF.ErrorUnsupported(&S, "@throw statement");
+}
+
 /* *** Private Interface *** */
 
 /// EmitImageInfo - Emit the image info marker used to encode some module