Inlining Math.min and Math.max in crankshaft.

src/ia32/lithium-ia32.cc

Index: src/ia32/lithium-ia32.cc
diff --git a/src/ia32/lithium-ia32.cc b/src/ia32/lithium-ia32.cc
index 9c2ff6f8857359e1df8efc1692c46b952034a112..3e05e98523cf4f41ee3e904cb6673e818f0b7b32 100644
--- a/src/ia32/lithium-ia32.cc
+++ b/src/ia32/lithium-ia32.cc
@@ -1673,7 +1673,11 @@ LInstruction* LChunkBuilder::DoChange(HChange* instr) {
   if (from.IsTagged()) {
     if (to.IsDouble()) {
       LOperand* value = UseRegister(instr->value());
-      LNumberUntagD* res = new(zone()) LNumberUntagD(value);
+      // Temp register only necessary for minus zero check.
+      LOperand* temp = instr->CheckFlag(HValue::kBailoutOnMinusZero)
+                       ? TempRegister()
+                       : NULL;
+      LNumberUntagD* res = new(zone()) LNumberUntagD(value, temp);
       return AssignEnvironment(DefineAsRegister(res));
     } else {
       ASSERT(to.IsInteger32());