[diagnostics] Enable logging for --perf-prof and --ll-prof.

Change-Id: I09722d0ce372a825dfe454583da433b38cf4de60
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2647109Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Pierre Langlois <pierre.langlois@arm.com>
Cr-Commit-Position: refs/heads/master@{#72311}

src/init/v8.cc

@@ -84,7 +84,9 @@ void V8::InitializeOncePerProcessImpl() {
       FLAG_log = true;
       break;
     }
-    FLAG_log |= FLAG_perf_basic_prof || FLAG_prof || FLAG_prof_cpp;
+    // Profiling flags depend on logging.
+    FLAG_log |= FLAG_perf_prof || FLAG_perf_basic_prof || FLAG_ll_prof ||
+                FLAG_prof || FLAG_prof_cpp;
   }
 
   FlagList::EnforceFlagImplications();