Arm fix: incorrect register used in CompareObjectType

R=verwaest@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12532002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13841 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/builtins-arm.cc

@@ -554,7 +554,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
     __ ldr(r3, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
     __ tst(r3, Operand(kSmiTagMask));
     __ Assert(ne, "Unexpected initial map for Array function");
-    __ CompareObjectType(r1, r3, r4, MAP_TYPE);
+    __ CompareObjectType(r3, r3, r4, MAP_TYPE);
     __ Assert(eq, "Unexpected initial map for Array function");
 
     if (FLAG_optimize_constructed_arrays) {

src/mips/builtins-mips.cc

@@ -568,7 +568,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
     __ And(t0, a3, Operand(kSmiTagMask));
     __ Assert(ne, "Unexpected initial map for Array function (3)",
               t0, Operand(zero_reg));
-    __ GetObjectType(a1, a3, t0);
+    __ GetObjectType(a3, a3, t0);
     __ Assert(eq, "Unexpected initial map for Array function (4)",
               t0, Operand(MAP_TYPE));