[turbofan] Turn Math.clz32 into an inlinable builtin.

src/compiler/machine-operator.cc

Index: src/compiler/machine-operator.cc
diff --git a/src/compiler/machine-operator.cc b/src/compiler/machine-operator.cc
index 2351223890e7d266c55c18883795e48a2406daec..fa8979c2fa4b3b5ad0b60bfb15b7b6825a1ca852 100644
--- a/src/compiler/machine-operator.cc
+++ b/src/compiler/machine-operator.cc
@@ -73,6 +73,7 @@ CheckedStoreRepresentation CheckedStoreRepresentationOf(Operator const* op) {
   V(Word32Sar, Operator::kNoProperties, 2, 0, 1)                              \
   V(Word32Ror, Operator::kNoProperties, 2, 0, 1)                              \
   V(Word32Equal, Operator::kCommutative, 2, 0, 1)                             \
+  V(Word32Clz, Operator::kNoProperties, 1, 0, 1)                              \
   V(Word64And, Operator::kAssociative | Operator::kCommutative, 2, 0, 1)      \
   V(Word64Or, Operator::kAssociative | Operator::kCommutative, 2, 0, 1)       \
   V(Word64Xor, Operator::kAssociative | Operator::kCommutative, 2, 0, 1)      \