On x86-64, when GCC 15 r15-5983-gb317dca04e3 is used to glibc, I got

FAIL: malloc/tst-aligned-alloc
FAIL: malloc/tst-aligned-alloc-malloc-check
FAIL: malloc/tst-aligned-alloc-malloc-hugetlb1
FAIL: malloc/tst-aligned-alloc-malloc-hugetlb2
FAIL: malloc/tst-aligned-alloc-mcheck
FAIL: malloc/tst-aligned-alloc-static
FAIL: malloc/tst-aligned-alloc-static-malloc-hugetlb1
FAIL: malloc/tst-aligned-alloc-static-malloc-hugetlb2
FAIL: malloc/tst-compathooks-on
FAIL: malloc/tst-malloc
FAIL: malloc/tst-malloc-check
FAIL: malloc/tst-malloc-check-malloc-hugetlb1
FAIL: malloc/tst-malloc-check-malloc-hugetlb2
FAIL: malloc/tst-malloc-check-mcheck
FAIL: malloc/tst-malloc-malloc-check
FAIL: malloc/tst-malloc-malloc-hugetlb1
FAIL: malloc/tst-malloc-malloc-hugetlb2
FAIL: malloc/tst-malloc-mcheck
FAIL: malloc/tst-malloc-random
FAIL: malloc/tst-malloc-random-malloc-check
FAIL: malloc/tst-malloc-random-malloc-hugetlb1
FAIL: malloc/tst-malloc-random-malloc-hugetlb2
FAIL: malloc/tst-malloc-random-mcheck
FAIL: malloc/tst-malloc-too-large
FAIL: malloc/tst-malloc-too-large-malloc-check
FAIL: malloc/tst-malloc-too-large-malloc-hugetlb1
FAIL: malloc/tst-malloc-too-large-malloc-hugetlb2
FAIL: malloc/tst-malloc-too-large-mcheck
FAIL: malloc/tst-realloc
FAIL: malloc/tst-realloc-malloc-check
FAIL: malloc/tst-realloc-malloc-hugetlb1
FAIL: malloc/tst-realloc-malloc-hugetlb2
FAIL: malloc/tst-realloc-mcheck

$ cat malloc/tst-aligned-alloc.out
error: tst-aligned-alloc.c:61: aligned_alloc(65, 64) did not fail
error: 1 test failures