[csa] Fix the bound & used condition check for RawMachineLabel and CodeAssemblerLabel.

src/compiler/code-assembler.h

 // Copyright 2015 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_CODE_ASSEMBLER_H_
 #define V8_COMPILER_CODE_ASSEMBLER_H_
 
 #include <map>
 #include <memory>
 
@@ skipping 426 matching lines @@
       CodeAssemblerLabel::Type type = CodeAssemblerLabel::kNonDeferred)
       : CodeAssemblerLabel(assembler, merged_variables.length(),
                            &(merged_variables[0]), type) {}
   CodeAssemblerLabel(
       CodeAssembler* assembler, size_t count, CodeAssemblerVariable** vars,
       CodeAssemblerLabel::Type type = CodeAssemblerLabel::kNonDeferred);
   CodeAssemblerLabel(
       CodeAssembler* assembler, CodeAssemblerVariable* merged_variable,
       CodeAssemblerLabel::Type type = CodeAssemblerLabel::kNonDeferred)
       : CodeAssemblerLabel(assembler, 1, &merged_variable, type) {}
-  ~CodeAssemblerLabel() {}
+  ~CodeAssemblerLabel();
 
  private:
   friend class CodeAssembler;
 
   void Bind();
   void MergeVariables();
 
   bool bound_;
   size_t merge_count_;
   CodeAssemblerState* state_;
@@ skipping 43 matching lines @@
   CodeAssemblerCallback call_epilogue_;
 
   DISALLOW_COPY_AND_ASSIGN(CodeAssemblerState);
 };
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_COMPILER_CODE_ASSEMBLER_H_