[turbofan] Adds speculative opcodes for shift right.

src/compiler/js-typed-lowering.h

Index: src/compiler/js-typed-lowering.h
diff --git a/src/compiler/js-typed-lowering.h b/src/compiler/js-typed-lowering.h
index 8e9ac6cf7d890f906b122ee9f93c5f7002b12f94..123fd99decaefcf6e319c49d478ffe02021355d8 100644
--- a/src/compiler/js-typed-lowering.h
+++ b/src/compiler/js-typed-lowering.h
@@ -86,7 +86,6 @@ class JSTypedLowering final : public AdvancedReducer {
   Reduction ReduceJSSubtract(Node* node);
   Reduction ReduceJSDivide(Node* node);
   Reduction ReduceInt32Binop(Node* node, const Operator* intOp);
-  Reduction ReduceShiftLeft(Node* node);
   Reduction ReduceUI32Shift(Node* node, Signedness left_signedness,
                             const Operator* shift_op);