[maglev] Enable concurrent compilation for maglev variant

Bug: v8:7700
Change-Id: I7bdb64c5a8c73aefd19c972337d488de2103ad13
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3865320
Commit-Queue: Jakob Linke <jgruber@chromium.org>
Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Auto-Submit: Jakob Linke <jgruber@chromium.org>
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82864}

tools/testrunner/local/variants.py

@@ -15,8 +15,7 @@ ALL_VARIANT_FLAGS = {
     "experimental_regexp": [["--default-to-experimental-regexp-engine"]],
     "jitless": [["--jitless"]],
     "sparkplug": [["--sparkplug"]],
-    # TODO(v8:v8:7700): Support concurrent compilation and remove flag.
-    "maglev": [["--maglev", "--no-concurrent-recompilation"]],
+    "maglev": [["--maglev"]],
     "turboshaft": [["--turboshaft"]],
     "concurrent_sparkplug": [["--concurrent-sparkplug", "--sparkplug"]],
     "always_sparkplug": [["--always-sparkplug", "--sparkplug"]],
@@ -80,11 +79,7 @@ INCOMPATIBLE_FLAGS_PER_VARIANT = {
     ],
     "sparkplug": ["--jitless"],
     "concurrent_sparkplug": ["--jitless"],
-    # TODO(v8:v8:7700): Support concurrent compilation and remove incompatible flags.
-    "maglev": [
-        "--jitless", "--concurrent-recompilation",
-        "--stress-concurrent-inlining"
-    ],
+    "maglev": ["--jitless"],
     "always_sparkplug": ["--jitless"],
     "code_serializer": [
         "--cache=after-execute", "--cache=full-code-cache", "--cache=none"