Perform receiver patching for sloppy mode in high-level IR.

src/compiler/ast-graph-builder.h

 // Copyright 2014 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_AST_GRAPH_BUILDER_H_
 #define V8_COMPILER_AST_GRAPH_BUILDER_H_
 
 #include "src/v8.h"
 
 #include "src/ast.h"
@@ skipping 54 matching lines @@
   // Getters for values in the activation record.
   Node* GetFunctionClosure();
   Node* GetFunctionContext();
 
   //
   // The following build methods all generate graph fragments and return one
   // resulting node. The operand stack height remains the same, variables and
   // other dependencies tracked by the environment might be mutated though.
   //
 
+  // Builder to create a receiver check for sloppy mode.
+  Node* BuildPatchReceiverToGlobalProxy(Node* receiver);
+
   // Builder to create a local function context.
   Node* BuildLocalFunctionContext(Node* context, Node* closure);
 
   // Builder to create an arguments object if it is used.
   Node* BuildArgumentsObject(Variable* arguments);
 
   // Builders for variable load and assignment.
   Node* BuildVariableAssignment(Variable* var, Node* value, Token::Value op,
                                 BailoutId bailout_id,
                                 OutputFrameStateCombine state_combine =
                                     OutputFrameStateCombine::Ignore());
   Node* BuildVariableDelete(Variable* var, BailoutId bailout_id,
                             OutputFrameStateCombine state_combine);
   Node* BuildVariableLoad(Variable* var, BailoutId bailout_id,
                           const VectorSlotPair& feedback,
                           ContextualMode mode = CONTEXTUAL);
 
   // Builders for accessing the function context.
   Node* BuildLoadBuiltinsObject();
   Node* BuildLoadGlobalObject();
+  Node* BuildLoadGlobalProxy();
   Node* BuildLoadClosure();
   Node* BuildLoadObjectField(Node* object, int offset);
 
   // Builders for automatic type conversion.
   Node* BuildToBoolean(Node* value);
 
   // Builders for error reporting at runtime.
   Node* BuildThrowReferenceError(Variable* var, BailoutId bailout_id);
 
   // Builders for dynamic hole-checks at runtime.
@@ skipping 335 matching lines @@
 
 Scope* AstGraphBuilder::current_scope() const {
   return execution_context_->scope();
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_AST_GRAPH_BUILDER_H_