Do not GC prior to every parallel recompile.

R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/16410005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@14986 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/compiler.cc

@@ -950,9 +950,6 @@ void Compiler::RecompileParallel(Handle<JSFunction> closure) {
         if (status == OptimizingCompiler::SUCCEEDED) {
           info.Detach();
           shared->code()->set_profiler_ticks(0);
-          // Do a scavenge to put off the next scavenge as far as possible.
-          // This may ease the issue that GVN blocks the next scavenge.
-          isolate->heap()->CollectGarbage(NEW_SPACE, "parallel recompile");
           isolate->optimizing_compiler_thread()->QueueForOptimization(compiler);
         } else if (status == OptimizingCompiler::BAILED_OUT) {
           isolate->clear_pending_exception();