https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83442
--- Comment #1 from John David Anglin ---
Program is stuck in a loop which repeatedly calls $$dyncall:
(gdb) bt
#0 $$dyncall () at ../../../gcc/libgcc/config/pa/milli64.S:237
#1 0x0055b82c in try_init_one_plugin (plugin=0xfae140)
at ../../gcc/gcc/plugin.c:729
#2 init_one_plugin (slot=, info=)
at ../../gcc/gcc/plugin.c:753
#3 0x00cdf9c8 in htab_traverse_noresize (htab=,
callback=@0xf8cdb036: 0xf69cd764 <$$dyncall>,
callback@entry=0x55b7a0 ,
info=0xd63000 , info@entry=0x0)
at ../../gcc/libiberty/hashtab.c:775
#4 0x0055c370 in initialize_plugins () at ../../gcc/gcc/plugin.c:779
#5 0x000f5e58 in toplev::main (this=this@entry=0xf8d02388,
argc=, argc@entry=16441664, argv=,
argv@entry=0xffa8e8) at ../../gcc/gcc/toplev.c:2185
#6 0x000f80b4 in main (argc=16441664, argv=0xffa8e8)
at ../../gcc/gcc/main.c:39
(gdb) step
225 bb,>=,n %r22,30,LREF(1) ; branch if not plabel address
(gdb)
231 bv %r0(%r22) ; branch to the real target
(gdb)
237 stw %r2,-24(%r30) ; save return address into
frame marker
(gdb)
225 bb,>=,n %r22,30,LREF(1) ; branch if not plabel address
(gdb)
231 bv %r0(%r22) ; branch to the real target
(gdb)
237 stw %r2,-24(%r30) ; save return address into
frame marker
(gdb)
225 bb,>=,n %r22,30,LREF(1) ; branch if not plabel address
(gdb)
231 bv %r0(%r22) ; branch to the real target
...
231 bv %r0(%r22) ; branch to the real target
(gdb) p/x $r22
$1 = 0xf69cd764
(gdb) stepi
237 stw %r2,-24(%r30) ; save return address into
frame marker
(gdb) disass
Dump of assembler code for function $$dyncall:
0xf69cd764 <+0>: bb,*>=,n r22,1e,0xf69cd774 <$$dyncall+16>
0xf69cd768 <+4>: depwi 0,31,2,r22
0xf69cd76c <+8>: ldw 4(r22),r19
0xf69cd770 <+12>:ldw 0(r22),r22
0xf69cd774 <+16>:bv r0(r22)
=> 0xf69cd778 <+20>:stw rp,-18(sp)
End of assembler dump.