core-jit:

runtime/vm/compilation_trace.h

 // Copyright (c) 2017, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef RUNTIME_VM_COMPILATION_TRACE_H_
 #define RUNTIME_VM_COMPILATION_TRACE_H_
 
 #include "platform/assert.h"
 #include "vm/compiler.h"
 #include "vm/object.h"
 #include "vm/program_visitor.h"
 #include "vm/zone_text_buffer.h"
 
 namespace dart {
 
 class CompilationTraceSaver : public FunctionVisitor {
  public:
   explicit CompilationTraceSaver(Zone* zone);
   void Visit(const Function& function);
 
   void StealBuffer(uint8_t** buffer, intptr_t* buffer_length) {
     *buffer = reinterpret_cast<uint8_t*>(buf_.buffer());
-    *buffer_length = buf_.length() + 1;  // Include terminating NUL.
+    *buffer_length = buf_.length();
   }
 
  private:
   ZoneTextBuffer buf_;
   String& func_name_;
   Class& cls_;
   String& cls_name_;
   Library& lib_;
   String& uri_;
 };
 
 class CompilationTraceLoader : public ValueObject {
  public:
   explicit CompilationTraceLoader(Thread* thread);
 
-  RawObject* CompileTrace(char* buffer);
+  RawObject* CompileTrace(uint8_t* buffer, intptr_t buffer_length);
 
  private:
   RawObject* CompileTriple(const char* uri_cstr,
                            const char* cls_cstr,
                            const char* func_cstr);
   RawObject* CompileFunction(const Function& function);
   RawObject* EvaluateInitializer(const Field& field);
 
   Thread* thread_;
   Zone* zone_;
   String& uri_;
   String& class_name_;
   String& function_name_;
   String& function_name2_;
   Library& lib_;
   Class& cls_;
   Function& function_;
   Function& function2_;
   Field& field_;
   Object& error_;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_COMPILATION_TRACE_H_