A debug code assert needed to be behind the new optimize_constructed_arrays flag.

BUG=

Review URL: https://codereview.chromium.org/12385050

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13791 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/builtins-arm.cc

@@ -557,6 +557,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
     __ CompareObjectType(r1, r3, r4, MAP_TYPE);
     __ Assert(eq, "Unexpected initial map for Array function");
 
+    if (FLAG_optimize_constructed_arrays) {
       // We should either have undefined in r2 or a valid jsglobalpropertycell
       Label okay_here;
       Handle<Object> undefined_sentinel(
@@ -570,6 +571,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
       __ Assert(eq, "Expected property cell in register ebx");
       __ bind(&okay_here);
     }
+  }
 
   if (FLAG_optimize_constructed_arrays) {
     Label not_zero_case, not_one_case;

src/ia32/builtins-ia32.cc

@@ -1496,6 +1496,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
     __ CmpObjectType(ecx, MAP_TYPE, ecx);
     __ Assert(equal, "Unexpected initial map for Array function");
 
+    if (FLAG_optimize_constructed_arrays) {
       // We should either have undefined in ebx or a valid jsglobalpropertycell
       Label okay_here;
       Handle<Object> undefined_sentinel(
@@ -1508,6 +1509,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
       __ Assert(equal, "Expected property cell in register ebx");
       __ bind(&okay_here);
     }
+  }
 
   if (FLAG_optimize_constructed_arrays) {
     Label not_zero_case, not_one_case;

src/x64/builtins-x64.cc

@@ -1524,6 +1524,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
     __ CmpObjectType(rcx, MAP_TYPE, rcx);
     __ Check(equal, "Unexpected initial map for Array function");
 
+    if (FLAG_optimize_constructed_arrays) {
       // We should either have undefined in ebx or a valid jsglobalpropertycell
       Label okay_here;
       Handle<Object> undefined_sentinel(
@@ -1536,6 +1537,7 @@ void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
       __ Assert(equal, "Expected property cell in register rbx");
       __ bind(&okay_here);
     }
+  }
 
   if (FLAG_optimize_constructed_arrays) {
     Label not_zero_case, not_one_case;