compiler.cc: Remove a comment which is no longer true.

src/compiler.cc

 // Copyright 2012 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 938 matching lines @@
   if (extension == NULL) {
     result = compilation_cache->LookupScript(source,
                                              script_name,
                                              line_offset,
                                              column_offset,
                                              is_shared_cross_origin,
                                              context);
   }
 
   if (result.is_null()) {
-    // No cache entry found. Do pre-parsing, if it makes sense, and compile
-    // the script.
-    // Building preparse data that is only used immediately after is only a
-    // saving if we might skip building the AST for lazily compiled functions.
-    // I.e., preparse data isn't relevant when the lazy flag is off, and
-    // for small sources, odds are that there aren't many functions
-    // that would be compiled lazily anyway, so we skip the preparse step
-    // in that case too.
+    // No cache entry found. Compile the script.
 
     // Create a script object describing the script to be compiled.
     Handle<Script> script = isolate->factory()->NewScript(source);
     if (natives == NATIVES_CODE) {
       script->set_type(Smi::FromInt(Script::TYPE_NATIVE));
     }
     if (!script_name.is_null()) {
       script->set_name(*script_name);
       script->set_line_offset(Smi::FromInt(line_offset));
       script->set_column_offset(Smi::FromInt(column_offset));
@@ skipping 333 matching lines @@
   AllowHandleDereference allow_deref;
   bool tracing_on = info()->IsStub()
       ? FLAG_trace_hydrogen_stubs
       : (FLAG_trace_hydrogen &&
          info()->closure()->PassesFilter(FLAG_trace_hydrogen_filter));
   return (tracing_on &&
       OS::StrChr(const_cast<char*>(FLAG_trace_phase), name_[0]) != NULL);
 }
 
 } }  // namespace v8::internal