Fix simarm product build on Windows

runtime/vm/disassembler.h

 // Copyright (c) 2011, 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_DISASSEMBLER_H_
 #define RUNTIME_VM_DISASSEMBLER_H_
 
 #include "vm/allocation.h"
 #include "vm/assembler.h"
 #include "vm/globals.h"
@@ skipping 84 matching lines @@
                           DisassemblyFormatter* formatter,
                           const Code& code);
 
   static void Disassemble(uword start,
                           uword end,
                           DisassemblyFormatter* formatter) {
     Disassemble(start, end, formatter, Code::Handle());
   }
 
   static void Disassemble(uword start, uword end, const Code& code) {
+#ifndef PRODUCT
     DisassembleToStdout stdout_formatter;
     LogBlock lb;
     Disassemble(start, end, &stdout_formatter, code);
+#else
+    UNREACHABLE();
+#endif
   }
 
   static void Disassemble(uword start, uword end) {
+#ifndef PRODUCT
     DisassembleToStdout stdout_formatter;
     LogBlock lb;
     Disassemble(start, end, &stdout_formatter);
+#else
+    UNREACHABLE();
+#endif
   }
 
   // Decodes one instruction.
   // Writes a hexadecimal representation into the hex_buffer and a
   // human-readable representation into the human_buffer.
   // Writes the length of the decoded instruction in bytes in out_instr_len.
   static void DecodeInstruction(char* hex_buffer,
                                 intptr_t hex_size,
                                 char* human_buffer,
                                 intptr_t human_size,
@@ skipping 11 matching lines @@
                                     const Code& code,
                                     bool optimized);
 
   static const int kHexadecimalBufferSize = 32;
   static const int kUserReadableBufferSize = 256;
 };
 
 }  // namespace dart
 
 #endif  // RUNTIME_VM_DISASSEMBLER_H_