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Ömer Sinan Ağacan authored
Noticed by @simonmar in !1362: If the srtEntry is Nothing, then it should be safe to omit references to this SRT from other SRTs, even if it is a static function. When updating SRT map we don't omit references to static functions (see Note [Invalid optimisation: shortcutting]), but there's no reason to add an SRT entry for a static function if the function is not CAFFY. (Previously we'd add SRT entries for static functions even when they're not CAFFY) Using 9151b99e I checked sizes of all SRTs when building GHC and containers: - GHC: 583736 (HEAD), 581695 (this patch). 2041 less SRT entries. - containers: 2457 (HEAD), 2381 (this patch). 76 less SRT entries.
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