https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99105
--- Comment #16 from Martin Liška <marxin at gcc dot gnu.org> ---
I've got it:
(gdb) bt
#0 __gcov_merge_topn (counters=<optimized out>, n_counters=<optimized out>)
at ../../../libgcc/libgcov-merge.c:119
#1 0x0000000007d57150 in merge_one_data (summary=<synthetic pointer>,
gi_ptr=0xbb74ae0,
filename=0xd78d360
"/home/marxin/Programming/llvm-project/objdir2/tools/clang/lib/Basic/CMakeFiles/obj.cl
angBasic.dir/Targets.cpp.gcda") at ../../../libgcc/libgcov-driver.c:314
#2 dump_one_gcov (run_max=116847, run_counted=0, gf=<synthetic pointer>,
gi_ptr=0xbb74ae0)
at ../../../libgcc/libgcov-driver.c:492
#3 gcov_do_dump (list=<optimized out>, run_counted=0) at
../../../libgcc/libgcov-driver.c:555
#4 0x0000000007d578d4 in __gcov_dump_one (root=0xd733740 <__gcov_root>)
at ../../../libgcc/libgcov-driver.c:578
#5 __gcov_dump_one (root=0xd733740 <__gcov_root>) at
../../../libgcc/libgcov-driver.c:573
#6 __gcov_exit () at ../../../libgcc/libgcov-driver.c:600
#7 0x0000000000a68579 in _sub_D_00100_2.2 ()
#8 0x00007ffff7fe1c73 in _dl_fini () from /lib64/ld-linux-x86-64.so.2
#9 0x00007ffff7a37347 in __run_exit_handlers () from /lib64/libc.so.6
#10 0x00007ffff7a374f0 in exit () from /lib64/libc.so.6
#11 0x00007ffff7a1f159 in __libc_start_main () from /lib64/libc.so.6
#12 0x0000000000af225e in _start () at ../sysdeps/x86_64/start.S:120
where we try to merge chain with:
(gdb) p n
$10 = 28114944
items.
