Remove the default contains_call parameter on location summaries.

runtime/vm/assembler_ia32.cc

Index: runtime/vm/assembler_ia32.cc
diff --git a/runtime/vm/assembler_ia32.cc b/runtime/vm/assembler_ia32.cc
index 9eb23d6151c38727a4a75710111038cc7fbd500f..219ae742ffbd7f40a841db3fad87272961138000 100644
--- a/runtime/vm/assembler_ia32.cc
+++ b/runtime/vm/assembler_ia32.cc
@@ -1408,6 +1408,7 @@ void Assembler::StoreIntoObjectFilter(Register object,
 void Assembler::StoreIntoObject(Register object,
                                 const FieldAddress& dest,
                                 Register value) {
+  // TODO(kmillikin): pass temp registers to avoid pushing registers.

[Ivan Posva, 2012/07/31 16:43:35]

I have a different plan for this so please do not pass temp registers just yet.
We will invoke that solution (temp registers) if the others do not work.

   movl(dest, value);
   Label done;
   pushl(value);