[runtime] [proxy] removing JSFunctionProxy and related code.

src/compiler/js-typed-lowering.cc

Index: src/compiler/js-typed-lowering.cc
diff --git a/src/compiler/js-typed-lowering.cc b/src/compiler/js-typed-lowering.cc
index 86c36ac02e467717a4e59b4bcebc49e1bbf15a04..15fa34b7ed15ed0a9534bfbf3583a12ca6b89e5e 100644
--- a/src/compiler/js-typed-lowering.cc
+++ b/src/compiler/js-typed-lowering.cc
@@ -2137,12 +2137,10 @@ Reduction JSTypedLowering::ReduceJSForInPrepare(Node* node) {
         simplified()->LoadField(AccessBuilder::ForMapInstanceType()),
         receiver_map, effect, if_false0);
 
-    STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_JS_RECEIVER_TYPE);
     cache_type_false0 = graph()->NewNode(
         common()->Select(kMachAnyTagged, BranchHint::kFalse),
-        graph()->NewNode(machine()->Uint32LessThanOrEqual(),
-                         receiver_instance_type,
-                         jsgraph()->Uint32Constant(LAST_JS_PROXY_TYPE)),
+        graph()->NewNode(machine()->Word32Equal(), receiver_instance_type,
+                         jsgraph()->Uint32Constant(JS_PROXY_TYPE)),
         jsgraph()->ZeroConstant(),  // Zero indicagtes proxy.
         jsgraph()->OneConstant());  // One means slow check.