https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77405
--- Comment #18 from John Marino <gnugcc at marino dot st> ---
does this help?
Program received signal SIGBUS, Bus error.
0x00000000004cbb6e in osint.file_name_hash_table.set (k=k@entry=300001291,
e=...) at ../rts/s-htable.adb:381
381 Tab.Set (new Element_Wrapper'(K, E, null));
(gdb) bt
#0 0x00000000004cbb6e in osint.file_name_hash_table.set (k=k@entry=300001291,
e=...) at ../rts/s-htable.adb:381
#1 0x00000000004cbc44 in osint.smart_find_file (n=300001291, t=t@entry=source,
attr=...)
at
/home/marino/iterate-gcc-test/scratch/gcc-trunk-source/gcc/ada/osint.adb:2839
#2 0x00000000004cf4d5 in osint.smart_find_file (t=source, n=<optimized out>)
at
/home/marino/iterate-gcc-test/scratch/gcc-trunk-source/gcc/ada/osint.adb:2814
#3 osint.full_source_name (n=<optimized out>) at
/home/marino/iterate-gcc-test/scratch/gcc-trunk-source/gcc/ada/osint.adb:1382
#4 osint.next_main_file () at
/home/marino/iterate-gcc-test/scratch/gcc-trunk-source/gcc/ada/osint.adb:2017
#5 0x00000000004d1ca5 in osint.m.next_main_source () at
/home/marino/iterate-gcc-test/scratch/gcc-trunk-source/gcc/ada/osint-m.adb:49
#6 0x00000000004929a8 in make.gnatmake () at
/home/marino/iterate-gcc-test/scratch/gcc-trunk-source/gcc/ada/make.adb:5847
#7 0x000000000045d015 in gnatmake () at
/home/marino/iterate-gcc-test/scratch/gcc-trunk-source/gcc/ada/gnatmake.adb:38
#8 0x0000000000403067 in main (argc=argc@entry=26,
argv=argv@entry=0x7fffffffeec8, envp=envp@entry=0x7fffffffefa0) at
b_gnatm.adb:554
#9 0x00000000004032be in _start (ap=0x7fffffffeec0, cleanup=<optimized out>)
at /usr/src/lib/csu/x86_64/crt1.c:90
