Make hashCode a getter and not a method.

runtime/vm/intrinsifier_x64.cc

 // Copyright (c) 2012, 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.
 
 #include "vm/globals.h"  // Needed here to get TARGET_ARCH_X64.
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/intrinsifier.h"
 
 #include "vm/assembler.h"
@@ skipping 1491 matching lines @@
   __ LoadObject(RAX, bool_false);
   __ ret();
   __ Bind(&is_true);
   __ LoadObject(RAX, bool_true);
   __ ret();
   __ Bind(&fall_through);
   return false;
 }
 
 
+bool Intrinsifier::String_getHashCode(Assembler* assembler) {
+  Label fall_through;
+  __ movq(RAX, Address(RSP, + 1 * kWordSize));  // String object.
+  __ movq(RAX, FieldAddress(RAX, String::hash_offset()));
+  __ cmpq(RAX, Immediate(0));
+  __ j(EQUAL, &fall_through, Assembler::kNearJump);
+  __ ret();
+  __ Bind(&fall_through);
+  // Hash not yet computed.
+  return false;
+}
+
+
 bool Intrinsifier::String_getLength(Assembler* assembler) {
   __ movq(RAX, Address(RSP, + 1 * kWordSize));  // String object.
   __ movq(RAX, FieldAddress(RAX, String::length_offset()));
   __ ret();
   return true;
 }
 
 
 // TODO(srdjan): Implement for two and four byte strings as well.
 bool Intrinsifier::String_charCodeAt(Assembler* assembler) {
@@ skipping 10 matching lines @@
   __ j(NOT_EQUAL, &fall_through);
   __ SmiUntag(RCX);
   __ movzxb(RAX, FieldAddress(RAX, RCX, TIMES_1, OneByteString::data_offset()));
   __ SmiTag(RAX);
   __ ret();
   __ Bind(&fall_through);
   return false;
 }
 
 
-bool Intrinsifier::String_hashCode(Assembler* assembler) {
-  Label fall_through;
-  __ movq(RAX, Address(RSP, + 1 * kWordSize));  // String object.
-  __ movq(RAX, FieldAddress(RAX, String::hash_offset()));
-  __ cmpq(RAX, Immediate(0));
-  __ j(EQUAL, &fall_through, Assembler::kNearJump);
-  __ ret();
-  __ Bind(&fall_through);
-  // Hash not yet computed.
-  return false;
-}
-
-
 bool Intrinsifier::String_isEmpty(Assembler* assembler) {
   Label is_true;
   const Bool& bool_true = Bool::ZoneHandle(Bool::True());
   const Bool& bool_false = Bool::ZoneHandle(Bool::False());
   // Get length.
   __ movq(RAX, Address(RSP, + 1 * kWordSize));  // String object.
   __ movq(RAX, FieldAddress(RAX, String::length_offset()));
   __ cmpq(RAX, Immediate(Smi::RawValue(0)));
   __ j(EQUAL, &is_true, Assembler::kNearJump);
   __ LoadObject(RAX, bool_false);
   __ ret();
   __ Bind(&is_true);
   __ LoadObject(RAX, bool_true);
   __ ret();
   return true;
 }
 
 #undef __
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64