https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93754
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution|--- |INVALID
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
But it's actually called twice. The second invocation is from libgcov:
#0 free (ptr=0x606280) at t.c:3
#1 0x00002aaaaad41d8e in _IO_new_fclose (fp=0x606280) at iofclose.c:84
#2 0x000000000040139e in __gcov_close ()
at /space/rguenther/src/svn/gcc-9-branch/libgcc/../gcc/gcov-io.c:212
#3 0x0000000000401b59 in dump_one_gcov (run_max=1, run_counted=0,
gf=<synthetic pointer>, gi_ptr=<optimized out>)
at /space/rguenther/src/svn/gcc-9-branch/libgcc/libgcov-driver.c:545
#4 gcov_do_dump (list=<optimized out>, run_counted=0)
at /space/rguenther/src/svn/gcc-9-branch/libgcc/libgcov-driver.c:584
#5 0x00000000004025e0 in __gcov_dump_one (root=0x6042c0 <__gcov_root>)
at /space/rguenther/src/svn/gcc-9-branch/libgcc/libgcov-driver.c:607
#6 __gcov_dump_one (root=0x6042c0 <__gcov_root>)
at /space/rguenther/src/svn/gcc-9-branch/libgcc/libgcov-driver.c:602
#7 __gcov_exit ()
at /space/rguenther/src/svn/gcc-9-branch/libgcc/libgcov-driver.c:623
#8 0x0000000000400e0e in _GLOBAL__sub_D_00100_1_free () at t.c:15
#9 0x00002aaaaaabb2b3 in _dl_fini () at dl-fini.c:235
#10 0x00002aaaaad0bd78 in __run_exit_handlers (status=1,
listp=0x2aaaab0876f8 <__exit_funcs>,
run_list_atexit=run_list_atexit@entry=true, run_dtors=run_dtors@entry=true)
at exit.c:83
#11 0x00002aaaaad0bdca in __GI_exit (status=<optimized out>) at exit.c:105
#12 0x00002aaaaacf3f91 in __libc_start_main (main=0x400dac <main>, argc=1,
argv=0x7fffffffdd98, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7fffffffdd88)
at ../csu/libc-start.c:342
#13 0x0000000000400cca in _start () at ../sysdeps/x86_64/start.S:120
your 'free' function interposes the one from libc.
