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/CGObjCGNU.cpp b/lib/CodeGen/CGObjCGNU.cpp
index 2bbbb46..2641d9d 100644
--- a/lib/CodeGen/CGObjCGNU.cpp
+++ b/lib/CodeGen/CGObjCGNU.cpp
@@ -122,6 +122,11 @@
   virtual void GenerateProtocol(const ObjCProtocolDecl *PD);
   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
 
@@ -967,6 +972,18 @@
   return 0;
 }
 
+void CGObjCGNU::EmitTryStmt(CodeGen::CodeGenFunction &CGF,
+                            const ObjCAtTryStmt &S)
+{
+  CGF.ErrorUnsupported(&S, "@try statement");
+}
+
+void CGObjCGNU::EmitThrowStmt(CodeGen::CodeGenFunction &CGF,
+                              const ObjCAtThrowStmt &S)
+{
+  CGF.ErrorUnsupported(&S, "@throw statement");
+}
+
 CodeGen::CGObjCRuntime *CodeGen::CreateGNUObjCRuntime(CodeGen::CodeGenModule &CGM){
   return new CGObjCGNU(CGM);
 }