Make hashCode a getter and not a method.

runtime/vm/intrinsifier_ia32.cc

Index: runtime/vm/intrinsifier_ia32.cc
diff --git a/runtime/vm/intrinsifier_ia32.cc b/runtime/vm/intrinsifier_ia32.cc
index a6056ac3d0cc3caa380cf0113c22d9a3f04c77c7..7efac5107d0fc72481b4b34d070fbf3e8838c016 100644
--- a/runtime/vm/intrinsifier_ia32.cc
+++ b/runtime/vm/intrinsifier_ia32.cc
@@ -1606,6 +1606,19 @@ bool Intrinsifier::FixedSizeArrayIterator_hasNext(Assembler* assembler) {
 }
 
 
+bool Intrinsifier::String_getHashCode(Assembler* assembler) {
+  Label fall_through;
+  __ movl(EAX, Address(ESP, + 1 * kWordSize));  // String object.
+  __ movl(EAX, FieldAddress(EAX, String::hash_offset()));
+  __ cmpl(EAX, Immediate(0));
+  __ j(EQUAL, &fall_through, Assembler::kNearJump);
+  __ ret();
+  __ Bind(&fall_through);
+  // Hash not yet computed.
+  return false;
+}
+
+
 bool Intrinsifier::String_getLength(Assembler* assembler) {
   __ movl(EAX, Address(ESP, + 1 * kWordSize));  // String object.
   __ movl(EAX, FieldAddress(EAX, String::length_offset()));
@@ -1636,19 +1649,6 @@ bool Intrinsifier::String_charCodeAt(Assembler* assembler) {
 }
 
 
-bool Intrinsifier::String_hashCode(Assembler* assembler) {
-  Label fall_through;
-  __ movl(EAX, Address(ESP, + 1 * kWordSize));  // String object.
-  __ movl(EAX, FieldAddress(EAX, String::hash_offset()));
-  __ cmpl(EAX, 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());