Make helper functions static to avoid accidental collision and potentially aid optimization.

runtime/vm/intrinsifier_ia32.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 //
 // The intrinsic code below is executed before a method has built its frame.
 // The return address is on the stack and the arguments below it.
 // Registers EDX (arguments descriptor) and ECX (function) must be preserved.
 // Each intrinsification method returns true if the corresponding
 // Dart method was intrinsified.
 
@@ skipping 1975 matching lines @@
   // EDI: Start address to copy from (untagged).
 
   __ Bind(&ok);
   __ ret();
 
   __ Bind(&fall_through);
 }
 
 
 // TODO(srdjan): Add combinations (one-byte/two-byte/external strings).
-void StringEquality(Assembler* assembler, intptr_t string_cid) {
+static void StringEquality(Assembler* assembler, intptr_t string_cid) {
   Label fall_through, is_true, is_false, loop;
   __ movl(EAX, Address(ESP, + 2 * kWordSize));  // This.
   __ movl(EBX, Address(ESP, + 1 * kWordSize));  // Other.
 
   // Are identical?
   __ cmpl(EAX, EBX);
   __ j(EQUAL, &is_true, Assembler::kNearJump);
 
   // Is other OneByteString?
   __ testl(EBX, Immediate(kSmiTagMask));
@@ skipping 128 matching lines @@
                         Isolate::current_tag_offset());
   // Set return value to Isolate::current_tag_.
   __ movl(EAX, current_tag_addr);
   __ ret();
 }
 
 #undef __
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_IA32