Version 3.0.2.

src/flag-definitions.h

Index: src/flag-definitions.h
diff --git a/src/flag-definitions.h b/src/flag-definitions.h
index fc5fe1ee0fc8d40fbde33342a0d579bd18a78b2c..37653a4a1588cf2e6ce5f699fdcff2d7d2e07c69 100644
--- a/src/flag-definitions.h
+++ b/src/flag-definitions.h
@@ -194,7 +194,6 @@ DEFINE_bool(mask_constants_with_cookie,
 // codegen.cc
 DEFINE_bool(lazy, true, "use lazy compilation")
 DEFINE_bool(trace_opt, false, "trace lazy optimization")
-DEFINE_bool(trace_opt_stats, false, "trace lazy optimization statistics")
 DEFINE_bool(opt, true, "use adaptive optimizations")
 DEFINE_bool(opt_eagerly, false, "be more eager when adaptively optimizing")
 DEFINE_bool(always_opt, false, "always try to optimize functions")
@@ -457,6 +456,8 @@ DEFINE_bool(log_snapshot_positions, false,
             "log positions of (de)serialized objects in the snapshot.")
 DEFINE_bool(log_suspect, false, "Log suspect operations.")
 DEFINE_bool(log_producers, false, "Log stack traces of JS objects allocations.")
+DEFINE_bool(compress_log, false,
+            "Compress log to save space (makes log less human-readable).")
 DEFINE_bool(prof, false,
             "Log statistical profiling information (implies --log-code).")
 DEFINE_bool(prof_auto, true,