Some cleanups.

runtime/vm/intermediate_language_ia32.cc

Index: runtime/vm/intermediate_language_ia32.cc
===================================================================
--- runtime/vm/intermediate_language_ia32.cc	(revision 9862)
+++ runtime/vm/intermediate_language_ia32.cc	(working copy)
@@ -1471,9 +1471,13 @@
 
 
 LocationSummary* CheckStackOverflowComp::MakeLocationSummary() const {
-  return LocationSummary::Make(0,
-                               Location::NoLocation(),
-                               LocationSummary::kCall);
+  const intptr_t kNumInputs = 0;
+  const intptr_t kNumTemps = 0;
+  // TODO(vegorov): spilling is required only on an infrequently executed path.
+  LocationSummary* summary = new LocationSummary(kNumInputs,
+                                                 kNumTemps,
+                                                 LocationSummary::kCall);
+  return summary;
 }