Remove support for legacy const, part 1

src/full-codegen/arm64/full-codegen-arm64.cc

 // 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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 278 matching lines @@
       __ CallStub(&stub);
     }
 
     SetVar(arguments, x0, x1, x2);
   }
 
   if (FLAG_trace) {
     __ CallRuntime(Runtime::kTraceEnter);
   }
 
-  // Visit the declarations and body unless there is an illegal
-  // redeclaration.
-  if (scope()->HasIllegalRedeclaration()) {
-    EmitIllegalRedeclaration();
-  } else {
-    PrepareForBailoutForId(BailoutId::FunctionEntry(), NO_REGISTERS);
-    { Comment cmnt(masm_, "[ Declarations");
-      VisitDeclarations(scope()->declarations());
-    }
+  // Visit the declarations and body.
+  PrepareForBailoutForId(BailoutId::FunctionEntry(), NO_REGISTERS);
+  {
+    Comment cmnt(masm_, "[ Declarations");
+    VisitDeclarations(scope()->declarations());
+  }
 
-    // Assert that the declarations do not use ICs. Otherwise the debugger
-    // won't be able to redirect a PC at an IC to the correct IC in newly
-    // recompiled code.
-    DCHECK_EQ(0, ic_total_count_);
+  // Assert that the declarations do not use ICs. Otherwise the debugger
+  // won't be able to redirect a PC at an IC to the correct IC in newly
+  // recompiled code.
+  DCHECK_EQ(0, ic_total_count_);
 
-    {
-      Comment cmnt(masm_, "[ Stack check");
-      PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS);
-      Label ok;
-      DCHECK(jssp.Is(__ StackPointer()));
-      __ CompareRoot(jssp, Heap::kStackLimitRootIndex);
-      __ B(hs, &ok);
-      PredictableCodeSizeScope predictable(masm_,
-                                           Assembler::kCallSizeWithRelocation);
-      __ Call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET);
-      __ Bind(&ok);
-    }
+  {
+    Comment cmnt(masm_, "[ Stack check");
+    PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS);
+    Label ok;
+    DCHECK(jssp.Is(__ StackPointer()));
+    __ CompareRoot(jssp, Heap::kStackLimitRootIndex);
+    __ B(hs, &ok);
+    PredictableCodeSizeScope predictable(masm_,
+                                         Assembler::kCallSizeWithRelocation);
+    __ Call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET);
+    __ Bind(&ok);
+  }
 
-    {
-      Comment cmnt(masm_, "[ Body");
-      DCHECK(loop_depth() == 0);
-      VisitStatements(literal()->body());
-      DCHECK(loop_depth() == 0);
-    }
+  {
+    Comment cmnt(masm_, "[ Body");
+    DCHECK(loop_depth() == 0);
+    VisitStatements(literal()->body());
+    DCHECK(loop_depth() == 0);
   }
 
   // Always emit a 'return undefined' in case control fell off the end of
   // the body.
   { Comment cmnt(masm_, "[ return <undefined>;");
     __ LoadRoot(x0, Heap::kUndefinedValueRootIndex);
   }
   EmitReturnSequence();
 
   // Force emission of the pools, so they don't get emitted in the middle
@@ skipping 3833 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64