[turbofan] Rewire all control inputs in effect/control linearization.

src/compiler/effect-control-linearizer.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/effect-control-linearizer.h"
 
 #include "src/code-factory.h"
 #include "src/compiler/access-builder.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/linkage.h"
@@ skipping 310 matching lines @@
     // ignore new effect chains started with ValueEffect.)
     if (node->op()->EffectOutputCount() > 0) {
       DCHECK_EQ(1, node->op()->EffectOutputCount());
       *effect = node;
     }
   } else {
     // New effect chain is only started with a Start or ValueEffect node.
     DCHECK(node->op()->EffectOutputCount() == 0 ||
            node->opcode() == IrOpcode::kStart);
   }
-  // Rewire control inputs of control nodes, and update the current control
-  // input.
+
+  // Rewire control inputs.
+  for (int i = 0; i < node->op()->ControlInputCount(); i++) {
+    NodeProperties::ReplaceControlInput(node, *control, i);
+  }
+  // Update the current control and wire IfSuccess right after calls.
   if (node->op()->ControlOutputCount() > 0) {
-    DCHECK_EQ(1, node->op()->ControlInputCount());
-    NodeProperties::ReplaceControlInput(node, *control);
     *control = node;
-
     if (node->opcode() == IrOpcode::kCall) {
       // Schedule the call's IfSuccess node (if there is no exception use).
       TryScheduleCallIfSuccess(node, control);
     }
   }
 }
 
 bool EffectControlLinearizer::TryWireInStateEffect(Node* node, Node** effect,
                                                    Node** control) {
   ValueEffectControl state(nullptr, nullptr, nullptr);
@@ skipping 613 matching lines @@
   return jsgraph()->Int32Constant(Smi::kMaxValue);
 }
 
 Node* EffectControlLinearizer::SmiShiftBitsConstant() {
   return jsgraph()->IntPtrConstant(kSmiShiftSize + kSmiTagSize);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8