From 5e7a2b174ae1a54dd5cdd3c19455c6b81d5133f8 Mon Sep 17 00:00:00 2001 From: Konstantin Belousov Date: Mon, 23 Dec 2019 20:18:05 +0000 Subject: [PATCH] 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 --- newlib/libc/sys/rtems/include/sys/bitset.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/newlib/libc/sys/rtems/include/sys/bitset.h b/newlib/libc/sys/rtems/include/sys/bitset.h index a1fd8b316..9ff18f4f3 100644 --- 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) \