instead of undefined cases from casting uintptr_t into intptr_t.
---
malloc/malloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/malloc/malloc.c b/malloc/malloc.c
index 444dc61825..18ef6b5cb8 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3150,7 +3150,8 @@ tcache_key_initialize (void)
int minimum_bits = __WORDSIZE / 4;
int maximum_bits = __WORDSIZE - minimum_bits;
- while (labs ((intptr_t) tcache_key) <= 0x1000000
+ while (tcache_key <= 0x1000000
+ || tcache_key >= ((uintptr_t) ULONG_MAX) - 0x1000000
|| stdc_count_ones (tcache_key) < minimum_bits
|| stdc_count_ones (tcache_key) > maximum_bits)
{
--
2.51.0
