[runtime] Drop redundant %CharFromCode runtime entry.

src/mips64/code-stubs-mips64.cc

 // Copyright 2012 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_MIPS64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 2882 matching lines @@
 
 
 void StringCharFromCodeGenerator::GenerateSlow(
     MacroAssembler* masm,
     const RuntimeCallHelper& call_helper) {
   __ Abort(kUnexpectedFallthroughToCharFromCodeSlowCase);
 
   __ bind(&slow_case_);
   call_helper.BeforeCall(masm);
   __ push(code_);
-  __ CallRuntime(Runtime::kCharFromCode, 1);
+  __ CallRuntime(Runtime::kStringCharFromCode, 1);
   __ Move(result_, v0);
 
   call_helper.AfterCall(masm);
   __ Branch(&exit_);
 
   __ Abort(kUnexpectedFallthroughFromCharFromCodeSlowCase);
 }
 
 
 enum CopyCharactersFlags { COPY_ONE_BYTE = 1, DEST_ALWAYS_ALIGNED = 2 };
@@ skipping 2751 matching lines @@
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS64