Generated code for substring slices in x64 and arm.

src/ia32/macro-assembler-ia32.h

Index: src/ia32/macro-assembler-ia32.h
diff --git a/src/ia32/macro-assembler-ia32.h b/src/ia32/macro-assembler-ia32.h
index de9361da8643e06fc70363a7810dad1f2df65e82..1906644c351c6c85f74e6b45ca20d2581b542571 100644
--- a/src/ia32/macro-assembler-ia32.h
+++ b/src/ia32/macro-assembler-ia32.h
@@ -437,7 +437,7 @@ class MacroAssembler: public Assembler {
 
   // Allocate a raw cons string object. Only the map field of the result is
   // initialized.
-  void AllocateConsString(Register result,
+  void AllocateTwoByteConsString(Register result,
                           Register scratch1,
                           Register scratch2,
                           Label* gc_required);
@@ -448,7 +448,7 @@ class MacroAssembler: public Assembler {
 
   // Allocate a raw sliced string object. Only the map field of the result is
   // initialized.
-  void AllocateSlicedString(Register result,
+  void AllocateTwoByteSlicedString(Register result,
                             Register scratch1,
                             Register scratch2,
                             Label* gc_required);