[turbofan] Fix indirect escapes in escape analysis.

src/compiler/escape-analysis-reducer.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/compiler/escape-analysis-reducer.h"
 
 #include "src/compiler/all-nodes.h"
 #include "src/compiler/js-graph.h"
 #include "src/counters.h"
 
@@ skipping 102 matching lines @@
 }
 
 }  // namespace
 
 Reduction EscapeAnalysisReducer::ReduceLoad(Node* node) {
   DCHECK(node->opcode() == IrOpcode::kLoadField ||
          node->opcode() == IrOpcode::kLoadElement);
   if (node->id() < static_cast<NodeId>(fully_reduced_.length())) {
     fully_reduced_.Add(node->id());
   }
-  if (Node* rep = escape_analysis()->GetReplacement(node)) {
-    isolate()->counters()->turbo_escape_loads_replaced()->Increment();
-    TRACE("Replaced #%d (%s) with #%d (%s)\n", node->id(),
-          node->op()->mnemonic(), rep->id(), rep->op()->mnemonic());
-    rep = MaybeGuard(jsgraph(), node, rep);
-    ReplaceWithValue(node, rep);
-    return Replace(rep);
+  if (escape_analysis()->IsVirtual(NodeProperties::GetValueInput(node, 0))) {
+    if (Node* rep = escape_analysis()->GetReplacement(node)) {
+      isolate()->counters()->turbo_escape_loads_replaced()->Increment();
+      TRACE("Replaced #%d (%s) with #%d (%s)\n", node->id(),
+            node->op()->mnemonic(), rep->id(), rep->op()->mnemonic());
+      rep = MaybeGuard(jsgraph(), node, rep);
+      ReplaceWithValue(node, rep);
+      return Replace(rep);
+    }
   }
   return NoChange();
 }
 
 
 Reduction EscapeAnalysisReducer::ReduceStore(Node* node) {
   DCHECK(node->opcode() == IrOpcode::kStoreField ||
          node->opcode() == IrOpcode::kStoreElement);
   if (node->id() < static_cast<NodeId>(fully_reduced_.length())) {
     fully_reduced_.Add(node->id());
@@ skipping 219 matching lines @@
     }
   }
 #endif  // DEBUG
 }
 
 Isolate* EscapeAnalysisReducer::isolate() const { return jsgraph_->isolate(); }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8