Merge 6800:7180 from the bleeding edge branch to the experimental/gc branch.

src/arm/builtins-arm.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 410 matching lines @@
   //  -- r0     : number of arguments
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
   Label generic_array_code, one_or_more_arguments, two_or_more_arguments;
 
   // Get the Array function.
   GenerateLoadArrayFunction(masm, r1);
 
   if (FLAG_debug_code) {
-    // Initial map for the builtin Array function shoud be a map.
+    // Initial map for the builtin Array functions should be maps.
     __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
     __ tst(r2, Operand(kSmiTagMask));
     __ Assert(ne, "Unexpected initial map for Array function");
     __ CompareObjectType(r2, r3, r4, MAP_TYPE);
     __ Assert(eq, "Unexpected initial map for Array function");
   }
 
   // Run the native code for the Array function called as a normal function.
   ArrayNativeCode(masm, &generic_array_code);
 
   // Jump to the generic array code if the specialized code cannot handle
   // the construction.
   __ bind(&generic_array_code);
   Code* code = Builtins::builtin(Builtins::ArrayCodeGeneric);
   Handle<Code> array_code(code);
   __ Jump(array_code, RelocInfo::CODE_TARGET);
 }
 
 
 void Builtins::Generate_ArrayConstructCode(MacroAssembler* masm) {
   // ----------- S t a t e -------------
   //  -- r0     : number of arguments
   //  -- r1     : constructor function
   //  -- lr     : return address
   //  -- sp[...]: constructor arguments
   // -----------------------------------
   Label generic_constructor;
 
   if (FLAG_debug_code) {
-    // The array construct code is only set for the builtin Array function which
-    // always have a map.
-    GenerateLoadArrayFunction(masm, r2);
-    __ cmp(r1, r2);
-    __ Assert(eq, "Unexpected Array function");
+    // The array construct code is only set for the builtin and internal
+    // Array functions which always have a map.
     // Initial map for the builtin Array function should be a map.
     __ ldr(r2, FieldMemOperand(r1, JSFunction::kPrototypeOrInitialMapOffset));
     __ tst(r2, Operand(kSmiTagMask));
     __ Assert(ne, "Unexpected initial map for Array function");
     __ CompareObjectType(r2, r3, r4, MAP_TYPE);
     __ Assert(eq, "Unexpected initial map for Array function");
   }
 
   // Run the native code for the Array function called as a constructor.
   ArrayNativeCode(masm, &generic_constructor);
@@ skipping 1143 matching lines @@
   __ bind(&dont_adapt_arguments);
   __ Jump(r3);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM