Stop passing location argument to run time calls, since it is stored in the pc

runtime/vm/intermediate_language_ia32.cc

Index: runtime/vm/intermediate_language_ia32.cc
===================================================================
--- runtime/vm/intermediate_language_ia32.cc	(revision 9532)
+++ runtime/vm/intermediate_language_ia32.cc	(working copy)
@@ -182,7 +182,6 @@
   __ CompareObject(obj, compiler->bool_false());
   __ j(EQUAL, &done, Assembler::kNearJump);
 
-  __ pushl(Immediate(Smi::RawValue(token_pos())));  // Source location.
   __ pushl(obj);  // Push the source object.
   compiler->GenerateCallRuntime(cid(),
                                 token_pos(),
@@ -1061,7 +1060,6 @@
 
   // Push the result place holder initialized to NULL.
   __ PushObject(Object::ZoneHandle());
-  __ pushl(Immediate(Smi::RawValue(token_pos())));
   __ PushObject(cls);
   __ pushl(type_arguments);
   __ pushl(instantiator_type_arguments);
@@ -1069,9 +1067,9 @@
                                 token_pos(),
                                 try_index(),
                                 kAllocateObjectWithBoundsCheckRuntimeEntry);
-  // Pop instantiator type arguments, type arguments, class, and
+  // Pop instantiator type arguments, type arguments, and class.
   // source location.
-  __ Drop(4);
+  __ Drop(3);
   __ popl(result);  // Pop new instance.
 }