Fix input and output to handle UTF16 surrogate pairs.

src/arm/regexp-macro-assembler-arm.cc

 // Copyright 2009 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 454 matching lines @@
   __ cmp(r0, Operand(c));
   BranchOrBacktrack(ne, on_not_equal);
 }
 
 
 void RegExpMacroAssemblerARM::CheckNotCharacterAfterMinusAnd(
     uc16 c,
     uc16 minus,
     uc16 mask,
     Label* on_not_equal) {
-  ASSERT(minus < String::kMaxUC16CharCode);
+  ASSERT(minus < String::kMaxUtf16CodeUnit);
   __ sub(r0, current_character(), Operand(minus));
   __ and_(r0, r0, Operand(mask));
   __ cmp(r0, Operand(c));
   BranchOrBacktrack(ne, on_not_equal);
 }
 
 
 bool RegExpMacroAssemblerARM::CheckSpecialCharacterClass(uc16 type,
                                                          Label* on_no_match) {
   // Range checks (c in min..max) are generally implemented by an unsigned
@@ skipping 818 matching lines @@
   __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex));
 }
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }}  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM