Remove redundant source position information in RelocInfo

test/cctest/test-reloc-info.cc

 // Copyright 2011 the V8 project authors. 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.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 37 matching lines @@
   SmartArrayPointer<byte> buffer(new byte[buffer_size]);
 
   byte* pc = buffer.get();
   byte* buffer_end = buffer.get() + buffer_size;
 
   RelocInfoWriter writer(buffer_end, pc);
   byte* relocation_info_end = buffer_end - relocation_info_size;
   for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
     RelocInfo::Mode mode = (i % 2 == 0) ?
         RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
+    if (mode == RelocInfo::STATEMENT_POSITION) {
+      printf("TEST WRITING STATEMENT %p %d\n", pc, pos);
+    } else {
+      printf("TEST WRITING POSITION %p %d\n", pc, pos);
+    }
     WriteRinfo(&writer, pc, mode, pos);
     CHECK(writer.pos() - RelocInfoWriter::kMaxSize >= relocation_info_end);
   }
 
+  writer.Finish();
   relocation_info_size = static_cast<int>(buffer_end - writer.pos());
   CodeDesc desc = { buffer.get(), buffer_size, code_size,
                     relocation_info_size, NULL };
 
   // Read only (non-statement) positions.
   {
     RelocIterator it(desc, RelocInfo::ModeMask(RelocInfo::POSITION));
     pc = buffer.get();
     for (int i = 0, pos = 0; i < 100; i++, pc += i, pos += i) {
+      printf("TESTING 1: %d\n", i);
       RelocInfo::Mode mode = (i % 2 == 0) ?
           RelocInfo::STATEMENT_POSITION : RelocInfo::POSITION;
       if (mode == RelocInfo::POSITION) {
         CHECK_EQ(pc, it.rinfo()->pc());
         CHECK_EQ(mode, it.rinfo()->rmode());
         CHECK_EQ(pos, static_cast<int>(it.rinfo()->data()));
         it.next();
       }
     }
     CHECK(it.done());
@@ skipping 26 matching lines @@
       CHECK_EQ(pc, it.rinfo()->pc());
       CHECK_EQ(mode, it.rinfo()->rmode());
       CHECK_EQ(pos, static_cast<int>(it.rinfo()->data()));
       it.next();
     }
     CHECK(it.done());
   }
 }
 
 } }  // namespace v8::internal