Cleanup unnecessary duplication of runtime functions.

src/ia32/code-stubs-ia32.cc

Index: src/ia32/code-stubs-ia32.cc
diff --git a/src/ia32/code-stubs-ia32.cc b/src/ia32/code-stubs-ia32.cc
index 026a310b08fb626e171cd4efd6887b4604d3153a..23f02a742b63bc4b4ecd660a60e798ee30c5d56c 100644
--- a/src/ia32/code-stubs-ia32.cc
+++ b/src/ia32/code-stubs-ia32.cc
@@ -787,7 +787,7 @@ void ArgumentsAccessStub::GenerateReadElement(MacroAssembler* masm) {
   __ pop(ebx);  // Return address.
   __ push(edx);
   __ push(ebx);
-  __ TailCallRuntime(Runtime::kGetArgumentsProperty, 1, 1);
+  __ TailCallRuntime(Runtime::kArguments, 1, 1);
 }
 
 
@@ -3335,7 +3335,7 @@ void SubStringStub::Generate(MacroAssembler* masm) {
 
   // Just jump to runtime to create the sub string.
   __ bind(&runtime);
-  __ TailCallRuntime(Runtime::kSubStringRT, 3, 1);
+  __ TailCallRuntime(Runtime::kSubString, 3, 1);
 
   __ bind(&single_char);
   // eax: string
@@ -3558,7 +3558,7 @@ void StringCompareStub::Generate(MacroAssembler* masm) {
   // Call the runtime; it returns -1 (less), 0 (equal), or 1 (greater)
   // tagged as a small integer.
   __ bind(&runtime);
-  __ TailCallRuntime(Runtime::kStringCompareRT, 2, 1);
+  __ TailCallRuntime(Runtime::kStringCompare, 2, 1);
 }
 
 
@@ -3870,7 +3870,7 @@ void CompareICStub::GenerateStrings(MacroAssembler* masm) {
   if (equality) {
     __ TailCallRuntime(Runtime::kStringEquals, 2, 1);
   } else {
-    __ TailCallRuntime(Runtime::kStringCompareRT, 2, 1);
+    __ TailCallRuntime(Runtime::kStringCompare, 2, 1);
   }
 
   __ bind(&miss);