[runtime] First step to sanitize regexp literal creation.

src/crankshaft/arm64/lithium-arm64.h

 // Copyright 2013 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_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
 #define V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_
 
 #include "src/crankshaft/hydrogen.h"
 #include "src/crankshaft/lithium.h"
 #include "src/crankshaft/lithium-allocator.h"
@@ skipping 120 matching lines @@
   V(MulS)                                    \
   V(NumberTagD)                              \
   V(NumberTagU)                              \
   V(NumberUntagD)                            \
   V(OsrEntry)                                \
   V(Parameter)                               \
   V(Power)                                   \
   V(Prologue)                                \
   V(PreparePushArguments)                    \
   V(PushArguments)                           \
-  V(RegExpLiteral)                           \
   V(Return)                                  \
   V(SeqStringGetChar)                        \
   V(SeqStringSetChar)                        \
   V(ShiftI)                                  \
   V(ShiftS)                                  \
   V(SmiTag)                                  \
   V(SmiUntag)                                \
   V(StackCheck)                              \
   V(StoreCodeEntry)                          \
   V(StoreContextSlot)                        \
@@ skipping 2110 matching lines @@
  private:
   // Iterator support.
   int InputCount() final { return inputs_.length(); }
   LOperand* InputAt(int i) final { return inputs_[i]; }
 
   int TempCount() final { return 0; }
   LOperand* TempAt(int i) final { return NULL; }
 };
 
 
-class LRegExpLiteral final : public LTemplateInstruction<1, 1, 0> {
- public:
-  explicit LRegExpLiteral(LOperand* context) {
-    inputs_[0] = context;
-  }
-
-  LOperand* context() { return inputs_[0]; }
-
-  DECLARE_CONCRETE_INSTRUCTION(RegExpLiteral, "regexp-literal")
-  DECLARE_HYDROGEN_ACCESSOR(RegExpLiteral)
-};
-
-
 class LReturn final : public LTemplateInstruction<0, 3, 0> {
  public:
   LReturn(LOperand* value, LOperand* context, LOperand* parameter_count) {
     inputs_[0] = value;
     inputs_[1] = context;
     inputs_[2] = parameter_count;
   }
 
   LOperand* value() { return inputs_[0]; }
   LOperand* parameter_count() { return inputs_[2]; }
@@ skipping 896 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_ARM64_LITHIUM_ARM64_H_