compile: support `-d no_gc_threads` #1004

Job	Run time
code-formatting	29s
ubuntu-latest-bootstrap	4m 26s
ubuntu-latest-build	2m 21s
ubuntu-latest-extra-command	1m 11s
ubuntu-latest-vab-can-live-anywhere	58s
v-compiles-os-android	55s
windows-latest-build	4m 16s
	14m 36s

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