Remove support for legacy const, part 1

src/full-codegen/mips64/full-codegen-mips64.cc

Index: src/full-codegen/mips64/full-codegen-mips64.cc
diff --git a/src/full-codegen/mips64/full-codegen-mips64.cc b/src/full-codegen/mips64/full-codegen-mips64.cc
index eb8e164f238e7aee00cef85a9e8f27caa9a259d1..a37586440af0f588195d2c061c91a64324cadbbc 100644
--- a/src/full-codegen/mips64/full-codegen-mips64.cc
+++ b/src/full-codegen/mips64/full-codegen-mips64.cc
@@ -301,40 +301,38 @@ void FullCodeGenerator::Generate() {
     __ 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_);
-
-    { Comment cmnt(masm_, "[ Stack check");
-      PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS);
-      Label ok;
-      __ LoadRoot(at, Heap::kStackLimitRootIndex);
-      __ Branch(&ok, hs, sp, Operand(at));
-      Handle<Code> stack_check = isolate()->builtins()->StackCheck();
-      PredictableCodeSizeScope predictable(masm_,
-          masm_->CallSize(stack_check, RelocInfo::CODE_TARGET));
-      __ Call(stack_check, RelocInfo::CODE_TARGET);
-      __ bind(&ok);
-    }
+  // 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;
+    __ LoadRoot(at, Heap::kStackLimitRootIndex);
+    __ Branch(&ok, hs, sp, Operand(at));
+    Handle<Code> stack_check = isolate()->builtins()->StackCheck();
+    PredictableCodeSizeScope predictable(
+        masm_, masm_->CallSize(stack_check, RelocInfo::CODE_TARGET));
+    __ Call(stack_check, RelocInfo::CODE_TARGET);
+    __ bind(&ok);
+  }
 
-    { Comment cmnt(masm_, "[ Body");
-      DCHECK(loop_depth() == 0);
+  {
+    Comment cmnt(masm_, "[ Body");
+    DCHECK(loop_depth() == 0);
 
-      VisitStatements(literal()->body());
+    VisitStatements(literal()->body());
 
-      DCHECK(loop_depth() == 0);
-    }
+    DCHECK(loop_depth() == 0);
   }
 
   // Always emit a 'return undefined' in case control fell off the end of