[turbofan] Fix lowering of Math.max for integral inputs.

src/compiler/js-builtin-reducer.cc

Index: src/compiler/js-builtin-reducer.cc
diff --git a/src/compiler/js-builtin-reducer.cc b/src/compiler/js-builtin-reducer.cc
index 2a032dbfb2dc1d1df44abb07552ae372081aa09e..12b0e2f6cc97d38eb8986ec3f8a19b923ba008a3 100644
--- a/src/compiler/js-builtin-reducer.cc
+++ b/src/compiler/js-builtin-reducer.cc
@@ -118,8 +118,8 @@ Reduction JSBuiltinReducer::ReduceMathMax(Node* node) {
       Node* const input = r.GetJSCallInput(i);
       value = graph()->NewNode(
           common()->Select(kMachNone),
-          graph()->NewNode(simplified()->NumberLessThan(), input, value), input,
-          value);
+          graph()->NewNode(simplified()->NumberLessThan(), input, value), value,
+          input);
     }
     return Replace(value);
   }