[turbofan] Replace uninitialized JSConstruct nodes with SOFT deopt.

src/compiler/bytecode-graph-builder.h

 // 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.
 
 #ifndef V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_
 #define V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_
 
 #include "src/compiler/bytecode-analysis.h"
 #include "src/compiler/js-graph.h"
 #include "src/compiler/js-type-hint-lowering.h"
@@ skipping 106 matching lines @@
 
   Node** EnsureInputBufferSize(int size);
 
   Node* const* GetCallArgumentsFromRegister(Node* callee, Node* receiver,
                                             interpreter::Register first_arg,
                                             int arg_count);
   Node* ProcessCallArguments(const Operator* call_op, Node* const* args,
                              int arg_count);
   Node* ProcessCallArguments(const Operator* call_op, Node* callee,
                              interpreter::Register receiver, size_t reg_count);
-  Node* ProcessConstructArguments(const Operator* call_new_op, Node* callee,
-                                  Node* new_target,
-                                  interpreter::Register receiver,
-                                  size_t reg_count);
-  Node* ProcessConstructWithSpreadArguments(const Operator* op, Node* callee,
-                                            Node* new_target,
-                                            interpreter::Register receiver,
-                                            size_t reg_count);
+  Node* const* GetConstructArgumentsFromRegister(
+      Node* target, Node* new_target, interpreter::Register first_arg,
+      int arg_count);
+  Node* ProcessConstructArguments(const Operator* op, Node* const* args,
+                                  int arg_count);
   Node* ProcessCallRuntimeArguments(const Operator* call_runtime_op,
                                     interpreter::Register receiver,
                                     size_t reg_count);
 
   // Prepare information for eager deoptimization. This information is carried
   // by dedicated {Checkpoint} nodes that are wired into the effect chain.
   // Conceptually this frame state is "before" a given operation.
   void PrepareEagerCheckpoint();
 
   // Prepare information for lazy deoptimization. This information is attached
@@ skipping 38 matching lines @@
   // Optional early lowering to the simplified operator level. Returns the node
   // representing the lowered operation or {nullptr} if no lowering available.
   // Note that the result has already been wired into the environment just like
   // any other invocation of {NewNode} would do.
   Node* TryBuildSimplifiedBinaryOp(const Operator* op, Node* left, Node* right,
                                    FeedbackSlot slot);
   Node* TryBuildSimplifiedToNumber(Node* input, FeedbackSlot slot);
   Node* TryBuildSimplifiedToPrimitiveToString(Node* input, FeedbackSlot slot);
   Node* TryBuildSimplifiedCall(const Operator* op, Node* const* args,
                                int arg_count, FeedbackSlot slot);
+  Node* TryBuildSimplifiedConstruct(const Operator* op, Node* const* args,
+                                    int arg_count, FeedbackSlot slot);
   Node* TryBuildSimplifiedLoadNamed(const Operator* op, Node* receiver,
                                     FeedbackSlot slot);
   Node* TryBuildSimplifiedLoadKeyed(const Operator* op, Node* receiver,
                                     Node* key, FeedbackSlot slot);
   Node* TryBuildSimplifiedStoreNamed(const Operator* op, Node* receiver,
                                      Node* value, FeedbackSlot slot);
   Node* TryBuildSimplifiedStoreKeyed(const Operator* op, Node* receiver,
                                      Node* key, Node* value, FeedbackSlot slot);
 
   // Applies the given early reduction onto the current environment.
@@ skipping 172 matching lines @@
   static int const kBinaryOperationSmiHintIndex = 1;
 
   DISALLOW_COPY_AND_ASSIGN(BytecodeGraphBuilder);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_BYTECODE_GRAPH_BUILDER_H_