Remove the unused support for jump-table switch statements.

src/ia32/assembler-ia32.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 2164 matching lines @@
   if (rmode == RelocInfo::EXTERNAL_REFERENCE &&
       !Serializer::enabled() &&
       !FLAG_debug_code) {
     return;
   }
   RelocInfo rinfo(pc_, rmode, data);
   reloc_info_writer.Write(&rinfo);
 }
 
 
-void Assembler::WriteInternalReference(int position, const Label& bound_label) {
-  ASSERT(bound_label.is_bound());
-  ASSERT(0 <= position);
-  ASSERT(position + static_cast<int>(sizeof(uint32_t)) <= pc_offset());
-  ASSERT(long_at(position) == 0);  // only initialize once!
-
-  uint32_t label_loc = reinterpret_cast<uint32_t>(addr_at(bound_label.pos()));
-  long_at_put(position, label_loc);
-}
-
-
 #ifdef GENERATED_CODE_COVERAGE
 static FILE* coverage_log = NULL;
 
 
 static void InitCoverageLog() {
   char* file_name = getenv("V8_GENERATED_CODE_COVERAGE_LOG");
   if (file_name != NULL) {
     coverage_log = fopen(file_name, "aw+");
   }
 }
 
 
 void LogGeneratedCodeCoverage(const char* file_line) {
   const char* return_address = (&file_line)[-1];
   char* push_insn = const_cast<char*>(return_address - 12);
   push_insn[0] = 0xeb;  // Relative branch insn.
   push_insn[1] = 13;    // Skip over coverage insns.
   if (coverage_log != NULL) {
     fprintf(coverage_log, "%s\n", file_line);
     fflush(coverage_log);
   }
 }
 
 #endif
 
 } }  // namespace v8::internal