Make HTypeofIsAndBranch accept any representation input

src/hydrogen-instructions.cc

Index: src/hydrogen-instructions.cc
diff --git a/src/hydrogen-instructions.cc b/src/hydrogen-instructions.cc
index 206ab7e2accf5e496b6cd814eb1071c511cb21e7..1748bb236ded4fe9efd7f261cde7d2f382fb439e 100644
--- a/src/hydrogen-instructions.cc
+++ b/src/hydrogen-instructions.cc
@@ -1177,6 +1177,20 @@ void HTypeofIsAndBranch::PrintDataTo(StringStream* stream) {
 }
 
 
+bool HTypeofIsAndBranch::KnownSuccessorBlock(HBasicBlock** block) {
+  if (value()->representation().IsSpecialization()) {
+    if (CheckNumberString()) {
+      *block = FirstSuccessor();
+    } else {
+      *block = SecondSuccessor();
+    }
+    return true;
+  }
+  *block = NULL;
+  return false;
+}
+
+
 void HCheckMapValue::PrintDataTo(StringStream* stream) {
   value()->PrintNameTo(stream);
   stream->Add(" ");