deps: skip flags implied by --predictable in hash computation

Author: joyeecheung

deps/v8/src/flags/flags.cc

@@ -543,6 +543,19 @@ uint32_t ComputeFlagListHash() {
     // code caching.
     if (flag.PointsTo(&v8_flags.random_seed)) continue;
     if (flag.PointsTo(&v8_flags.predictable)) continue;
+    // The following flags are implied by --predictable (some negated).
+    if (flag.PointsTo(&v8_flags.concurrent_recompilation)) continue;
+    if (flag.PointsTo(&v8_flags.parallel_scavenge)) continue;
+    if (flag.PointsTo(&v8_flags.cppheap_concurrent_marking)) continue;
+    if (flag.PointsTo(&v8_flags.concurrent_sparkplug)) continue;
+    if (flag.PointsTo(&v8_flags.concurrent_marking)) continue;
+    if (flag.PointsTo(&v8_flags.concurrent_array_buffer_sweeping)) continue;
+    if (flag.PointsTo(&v8_flags.parallel_marking)) continue;
+    if (flag.PointsTo(&v8_flags.concurrent_sweeping)) continue;
+    if (flag.PointsTo(&v8_flags.parallel_compaction)) continue;
+    if (flag.PointsTo(&v8_flags.parallel_pointer_update)) continue;
+    if (flag.PointsTo(&v8_flags.memory_reducer)) continue;
+    if (flag.PointsTo(&v8_flags.single_threaded_gc)) continue;
     modified_args_as_string << flag;
   }
   std::string args(modified_args_as_string.str());