simplify some code.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@46774 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Sema/SemaDecl.cpp b/Sema/SemaDecl.cpp
index f00ed7f51ebeafe25a59659b1b007b7d8c4ab361..226d33773f3c2050b32bf57d78425aef758babef 100644 (file)
--- a/Sema/SemaDecl.cpp
+++ b/Sema/SemaDecl.cpp
@@ -1463,14 +1463,11 @@ void Sema::ActOnFields(Scope* S,
   if (Record)
     Record->defineBody(&RecFields[0], RecFields.size());
   else {
-    ObjCIvarDecl **ClsFields = 
-                    reinterpret_cast<ObjCIvarDecl**>(&RecFields[0]);
-    if (isa<ObjCInterfaceDecl>(static_cast<Decl*>(RecDecl)))
-      cast<ObjCInterfaceDecl>(static_cast<Decl*>(RecDecl))->
-        addInstanceVariablesToClass(ClsFields, RecFields.size(), RBrac);
-    else if (isa<ObjCImplementationDecl>(static_cast<Decl*>(RecDecl))) {
-      ObjCImplementationDecl* IMPDecl = 
-        cast<ObjCImplementationDecl>(static_cast<Decl*>(RecDecl));
+    ObjCIvarDecl **ClsFields = reinterpret_cast<ObjCIvarDecl**>(&RecFields[0]);
+    if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(EnclosingDecl))
+      ID->addInstanceVariablesToClass(ClsFields, RecFields.size(), RBrac);
+    else if (ObjCImplementationDecl *IMPDecl = 
+               dyn_cast<ObjCImplementationDecl>(EnclosingDecl)) {
       assert(IMPDecl && "ActOnFields - missing ObjCImplementationDecl");
       IMPDecl->ObjCAddInstanceVariablesToClassImpl(ClsFields, RecFields.size());
       CheckImplementationIvars(IMPDecl, ClsFields, RecFields.size(), RBrac);