Inline Math.max and Math.min in crankshaft.

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 92308704328c7968176fbbe88fd392b58622207d..3c440890d7edd86926b0c3dc1cb22a449287f5e2 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -5124,6 +5124,25 @@ bool HGraphBuilder::TryInlineBuiltinFunction(Call* expr,
         return true;
       }
       break;
+    case kMathMax:
+    case kMathMin:
+      if (argument_count == 3 && check_type == RECEIVER_MAP_CHECK) {
+        AddCheckConstantFunction(expr, receiver, receiver_map, true);
+        HValue* right = Pop();
+        HValue* left = Pop();
+        // Do not inline if the result representation is uncertain.
+        if (!right->representation().Equals(left->representation())) {
+          Push(left);
+          Push(right);
+          return false;
+        }
+        Pop();  // Pop receiver.
+        HInstruction* result =
+            new(zone()) HMathMinMax(left, right, id);
+        ast_context()->ReturnInstruction(result, expr->id());
+        return true;
+      }
+      break;
     default:
       // Not yet supported for inlining.
       break;