https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121628
Jerry DeLisle <jvdelisle at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |jvdelisle at gcc dot gnu.org
Ever confirmed|0 |1
Last reconfirmed| |2025-08-21
Status|UNCONFIRMED |NEW
--- Comment #2 from Jerry DeLisle <jvdelisle at gcc dot gnu.org> ---
On latest trunk in gdb I get:
--- snip out a bunch of stuff ---
Iteration 1
Iteration 2
free(): invalid pointer
Program received signal SIGABRT, Aborted.
Downloading 4.48 K source file
/usr/src/debug/glibc-2.41-10.fc42.x86_64/nptl/pthread_kill.c
__pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6,
no_tid=no_tid@entry=0)
at pthread_kill.c:44
44 return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO
(ret) : 0;
(gdb) bt
#0 __pthread_kill_implementation (threadid=<optimized out>,
signo=signo@entry=6, no_tid=no_tid@entry=0)
at pthread_kill.c:44
#1 0x00007ffff7994163 in __pthread_kill_internal (threadid=<optimized out>,
signo=6) at pthread_kill.c:89
#2 0x00007ffff793aa7e in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#3 0x00007ffff79226d0 in __GI_abort () at abort.c:77
#4 0x00007ffff79236f3 in __libc_message_impl (fmt=fmt@entry=0x7ffff7ad444c
"%s\n")
at ../sysdeps/posix/libc_fatal.c:134
#5 0x00007ffff799e1f5 in malloc_printerr (str=str@entry=0x7ffff7ad2220
"free(): invalid pointer")
at malloc.c:5829
#6 0x00007ffff79a358c in _int_free_check (av=<optimized out>, p=<optimized
out>, size=<optimized out>)
at malloc.c:4560
#7 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at
malloc.c:4692
#8 __GI___libc_free (mem=<optimized out>) at malloc.c:3476
#9 0x0000000000400581 in minimal_bug::__deallocate_minimal_bug_Nested_t
(arg=...) at seg2.f90:1
#10 0x0000000000401b0d in minimal_bug () at seg2.f90:22
