Correctly compute line numbers in functions from the function constructor.

src/cpu-profiler.cc

Index: src/cpu-profiler.cc
diff --git a/src/cpu-profiler.cc b/src/cpu-profiler.cc
index 80faf102e94a03a734de24f095e1dc7efe0f857e..b5b69e4d66636cb87fae7f1f4a65f2165262d94a 100644
--- a/src/cpu-profiler.cc
+++ b/src/cpu-profiler.cc
@@ -272,8 +272,8 @@ void CpuProfiler::CodeCreateEvent(Logger::LogEventsAndTags tag, Code* code,
         int position = static_cast<int>(it.rinfo()->data());
         if (position >= 0) {
           int pc_offset = static_cast<int>(it.rinfo()->pc() - code->address());
-          int line_number = script->GetLineNumber(position) + 1;
-          line_table->SetPosition(pc_offset, line_number);
+          int line_number = script->GetLineNumber(position);
+          line_table->SetPosition(pc_offset, line_number + 1);
         }
       }
     }