Renew Safepoint assumption only when invalid #291
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Signed-off-by: Stefan Marr <git@stefan-marr.de>
If we do replace a valid assumption, it may never be invalidated, because there’s no reference to it any more. Signed-off-by: Stefan Marr <git@stefan-marr.de>
Signed-off-by: Stefan Marr <git@stefan-marr.de>
Signed-off-by: Stefan Marr <git@stefan-marr.de>
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The assumption should not be replaced without invalidating it, or to put it differently:
If it is replaced before invalidation, the notice of invalidation may be lost. Thus, code depending on it is never invalidated.