Tweak the TurboFan pipeline for stub compilation.

src/compiler/js-intrinsic-lowering.cc

Index: src/compiler/js-intrinsic-lowering.cc
diff --git a/src/compiler/js-intrinsic-lowering.cc b/src/compiler/js-intrinsic-lowering.cc
index ebe2e4e72330e8101e546d6cef0ca3c1ce25397c..a3d27ee1a5b98a5e7e9d61c47b8a39682ad1be74 100644
--- a/src/compiler/js-intrinsic-lowering.cc
+++ b/src/compiler/js-intrinsic-lowering.cc
@@ -32,6 +32,8 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
       return ReduceInlineIsInstanceType(node, JS_ARRAY_TYPE);
     case Runtime::kInlineIsFunction:
       return ReduceInlineIsInstanceType(node, JS_FUNCTION_TYPE);
+    case Runtime::kInlineJSValueGetValue:
+      return ReduceInlineJSValueGetValue(node);
     case Runtime::kInlineConstructDouble:
       return ReduceInlineConstructDouble(node);
     case Runtime::kInlineDoubleLo:
@@ -44,6 +46,8 @@ Reduction JSIntrinsicLowering::Reduce(Node* node) {
       return ReduceInlineMathFloor(node);
     case Runtime::kInlineMathSqrt:
       return ReduceInlineMathSqrt(node);
+    case Runtime::kInlineStringGetLength:
+      return ReduceInlineStringGetLength(node);
     case Runtime::kInlineValueOf:
       return ReduceInlineValueOf(node);
     default:
@@ -103,6 +107,15 @@ Reduction JSIntrinsicLowering::ReduceInlineIsNonNegativeSmi(Node* node) {
 }
 
 
+Reduction JSIntrinsicLowering::ReduceInlineJSValueGetValue(Node* node) {
+  Node* value = NodeProperties::GetValueInput(node, 0);
+  Node* effect = NodeProperties::GetEffectInput(node);
+  Node* control = NodeProperties::GetControlInput(node);
+  return Change(node, simplified()->LoadField(AccessBuilder::ForValue()), value,
+                effect, control);
+}
+
+
 Reduction JSIntrinsicLowering::ReduceInlineConstructDouble(Node* node) {
   Node* high = NodeProperties::GetValueInput(node, 0);
   Node* low = NodeProperties::GetValueInput(node, 1);
@@ -177,6 +190,15 @@ Reduction JSIntrinsicLowering::ReduceInlineMathSqrt(Node* node) {
 }
 
 
+Reduction JSIntrinsicLowering::ReduceInlineStringGetLength(Node* node) {
+  Node* value = NodeProperties::GetValueInput(node, 0);
+  Node* effect = NodeProperties::GetEffectInput(node);
+  Node* control = NodeProperties::GetControlInput(node);
+  return Change(node, simplified()->LoadField(AccessBuilder::ForStringLength()),
+                value, effect, control);
+}
+
+
 Reduction JSIntrinsicLowering::ReduceInlineValueOf(Node* node) {
   // if (%_IsSmi(value)) {
   //   return value;
@@ -258,6 +280,7 @@ Reduction JSIntrinsicLowering::Change(Node* node, const Operator* op, Node* a,
   node->ReplaceInput(1, b);
   node->ReplaceInput(2, c);
   node->TrimInputCount(3);
+  NodeProperties::ReplaceWithValue(node, node, node);
   return Changed(node);
 }