Second attempt: Improve our type feedback by recogizining never-executed IC c...

src/ia32/lithium-codegen-ia32.cc

Index: src/ia32/lithium-codegen-ia32.cc
===================================================================
--- src/ia32/lithium-codegen-ia32.cc	(revision 6011)
+++ src/ia32/lithium-codegen-ia32.cc	(working copy)
@@ -315,6 +315,13 @@
     __ call(code, mode);
     RecordSafepoint(&no_pointers, Safepoint::kNoDeoptimizationIndex);
   }
+
+  // Signal that we don't inline smi code before these stubs in the
+  // optimizing code generator.
+  if (code->kind() == Code::TYPE_RECORDING_BINARY_OP_IC ||
+      code->kind() == Code::COMPARE_IC) {
+    __ nop();
+  }
 }