Fix undefined behavior: left-shifting into the sign bit.

Reviewed by: dim, markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D22898
2019-12-23 20:18:05 +00:00 · 2019-12-23 20:18:05 +00:00 · 5e7a2b174a
parent de1380c36b
commit 5e7a2b174a
1 changed files with 1 additions and 1 deletions
--- a/newlib/libc/sys/rtems/include/sys/bitset.h
+++ b/newlib/libc/sys/rtems/include/sys/bitset.h
@ -44,7 +44,7 @@
 #define	__constexpr_cond(expr)	(__builtin_constant_p((expr)) && (expr))

 #define	__bitset_mask(_s, n)						\
-	(1L << (__constexpr_cond(__bitset_words((_s)) == 1) ?		\
+	(1UL << (__constexpr_cond(__bitset_words((_s)) == 1) ?		\
 	    (__size_t)(n) : ((n) % _BITSET_BITS)))

 #define	__bitset_word(_s, n)						\