diff options
| -rw-r--r-- | malloc/malloc.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index 7c44b4f96d..6640385282 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -1357,8 +1357,13 @@ checked_request2size (size_t req, size_t *sz) __nonnull (1) must be a macro that produces a compile time constant if passed a constant literal. */ if (__glibc_unlikely (mtag_enabled)) - req = (req + (__MTAG_GRANULE_SIZE - 1)) & - ~(size_t)(__MTAG_GRANULE_SIZE - 1); + { + /* Ensure this is not evaluated if !mtag_enabled, see gcc PR 99551. */ + asm (""); + + req = (req + (__MTAG_GRANULE_SIZE - 1)) & + ~(size_t)(__MTAG_GRANULE_SIZE - 1); + } *sz = request2size (req); return true; |