[regexp][liveedit] Fix inconsistent JSArrays

src/mips64/code-stubs-mips64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS64
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 1610 matching lines @@
 
   __ lw(a1, UntagSmiFieldMemOperand(
       regexp_data, JSRegExp::kIrregexpCaptureCountOffset));
   // Calculate number of capture registers (number_of_captures + 1) * 2.
   __ Daddu(a1, a1, Operand(1));
   __ dsll(a1, a1, 1);  // Multiply by 2.
 
   __ ld(a0, MemOperand(sp, kLastMatchInfoOffset));
   __ JumpIfSmi(a0, &runtime);
   __ GetObjectType(a0, a2, a2);
-  __ Branch(&runtime, ne, a2, Operand(JS_ARRAY_TYPE));
-  // Check that the JSArray is in fast case.
+  __ Branch(&runtime, ne, a2, Operand(JS_OBJECT_TYPE));
+  // Check that the object has fast elements.
   __ ld(last_match_info_elements,
         FieldMemOperand(a0, JSArray::kElementsOffset));
   __ ld(a0, FieldMemOperand(last_match_info_elements, HeapObject::kMapOffset));
   __ LoadRoot(at, Heap::kFixedArrayMapRootIndex);
   __ Branch(&runtime, ne, a0, Operand(at));
   // Check that the last match info has space for the capture registers and the
   // additional information.
   __ ld(a0,
         FieldMemOperand(last_match_info_elements, FixedArray::kLengthOffset));
   __ Daddu(a2, a1, Operand(RegExpImpl::kLastMatchOverhead));
@@ skipping 3793 matching lines @@
                            kStackUnwindSpace, kInvalidStackOffset,
                            return_value_operand, NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64