[JSC] Add JSC_SIGNAL_FOR_GC environment variable for Linux / FreeBSD
Created attachment 418624 [details] Patch
Comment on attachment 418624 [details] Patch r=me
Committed r272006: <https://trac.webkit.org/changeset/272006> All reviewed patches have been landed. Closing bug and clearing flags on attachment 418624 [details].
<rdar://problem/73700142>