Rename %_IsSpecObject to %_IsJSReceiver.

src/compiler/js-intrinsic-lowering.h

Index: src/compiler/js-intrinsic-lowering.h
diff --git a/src/compiler/js-intrinsic-lowering.h b/src/compiler/js-intrinsic-lowering.h
index b0bd007698fec50d8a648d4c00c4e2d2168023da..188e2134066495f82cef37557f5bb653e793494b 100644
--- a/src/compiler/js-intrinsic-lowering.h
+++ b/src/compiler/js-intrinsic-lowering.h
@@ -46,7 +46,7 @@ class JSIntrinsicLowering final : public AdvancedReducer {
   Reduction ReduceIncrementStatsCounter(Node* node);
   Reduction ReduceIsMinusZero(Node* node);
   Reduction ReduceIsInstanceType(Node* node, InstanceType instance_type);
-  Reduction ReduceIsSpecObject(Node* node);
+  Reduction ReduceIsJSReceiver(Node* node);
   Reduction ReduceIsSmi(Node* node);
   Reduction ReduceJSValueGetValue(Node* node);
   Reduction ReduceMapGetInstanceType(Node* node);