[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 cf6a5727edbd4159e75e0f1803356af1ca19c818..a9ca88365079458fcdd62b01d8d745b7421a8aeb 100644
--- a/src/compiler/js-typed-lowering.h
+++ b/src/compiler/js-typed-lowering.h
@@ -84,7 +84,6 @@ 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);