libchafa: Let UBSan know unsigned int overflow is fine in popcnt

hpjansson · hpjansson · commit e7c1192b4f80 · 2025-09-14T00:46:25.000+02:00
diff --git a/chafa/internal/chafa-private.h b/chafa/internal/chafa-private.h
@@ -238,6 +238,7 @@ static inline guint64 chafa_slow_pop_count (guint64 v) G_GNUC_UNUSED;
 static inline gint chafa_population_count_u64 (guint64 v) G_GNUC_UNUSED;
 static inline void chafa_population_count_vu64 (const guint64 *vv, gint *vc, gint n) G_GNUC_UNUSED;
 
+__attribute__ ((no_sanitize ("integer")))
 static inline guint64
 chafa_slow_pop_count (guint64 v)
 {

Original file line number	Diff line number	Diff line change
`@@ -238,6 +238,7 @@ static inline guint64 chafa_slow_pop_count (guint64 v) G_GNUC_UNUSED;`
`238`	`238`	`static inline gint chafa_population_count_u64 (guint64 v) G_GNUC_UNUSED;`
`239`	`239`	`static inline void chafa_population_count_vu64 (const guint64 vv, gint vc, gint n) G_GNUC_UNUSED;`
`240`	`240`
	`241`	`+__attribute__ ((no_sanitize ("integer")))`
`241`	`242`	`static inline guint64`
`242`	`243`	`chafa_slow_pop_count (guint64 v)`
`243`	`244`	`{`