Make escape analysis preserve all representations required by HCompareNumericAndBranch.

src/hydrogen-escape-analysis.cc

Index: src/hydrogen-escape-analysis.cc
diff --git a/src/hydrogen-escape-analysis.cc b/src/hydrogen-escape-analysis.cc
index 6a03c5773a42b5b251dc8b1009623b638f029224..607e563c61736bd567824153abca42efb94aef37 100644
--- a/src/hydrogen-escape-analysis.cc
+++ b/src/hydrogen-escape-analysis.cc
@@ -167,7 +167,7 @@ HValue* HEscapeAnalysisPhase::NewLoadReplacement(
     HLoadNamedField* load, HValue* load_value) {
   HValue* replacement = load_value;
   Representation representation = load->representation();
-  if (representation.IsSmi()) {
+  if (representation.IsSmiOrInteger32() || representation.IsDouble()) {
     Zone* zone = graph()->zone();
     HInstruction* new_instr =
         HForceRepresentation::New(zone, NULL, load_value, representation);