https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91627
--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> ---
-bash-4.4$ cat /test/gnu/gcc/gcc/gcc/testsuite/gcc.dg/lto/20081201-2_0.c
/* { dg-lto-options {{-O3 -flto -flto-partition=1to1}} } */
/* Test that cross-TU inlining works. */
extern void abort ();
extern void exit (int);
extern void *foo (void);
int
main ()
{
if (foo () != __builtin_return_address (0))
abort ();
exit (0);
}
(gdb) r
The program being debugged has been started already.
Start it from the beginning? (y or n) y
Starting program:
/test/gnu/gcc/objdir/gcc/testsuite/gcc/gcc-dg-lto-20081201-2-01.exe
warning: Private mapping of shared library text was not specified
by the executable; setting a breakpoint in a shared library which
is not privately mapped will not work. See the HP-UX 11i v3 chatr
manpage for methods to privately map shared library text.
Breakpoint 2, 0x4000000000005644 in main ()
at /test/gnu/gcc/gcc/gcc/testsuite/gcc.dg/lto/20081201-2_0.c:12
12 if (foo () != __builtin_return_address (0))
(gdb) disass
Dump of assembler code for function main:
0x4000000000005628 <+0>: std rp,-10(sp)
0x400000000000562c <+4>: std,ma r4,80(sp)
0x4000000000005630 <+8>: ldo -30(sp),ret1
0x4000000000005634 <+12>: std r3,-78(sp)
0x4000000000005638 <+16>: copy rp,r3
0x400000000000563c <+20>: b,l 0x4000000000002c60 <foo>,rp
0x4000000000005640 <+24>: copy dp,r4
=> 0x4000000000005644 <+28>: cmpb,*<> r3,ret0,0x4000000000005658 <main+48>
0x4000000000005648 <+32>: copy r4,dp
0x400000000000564c <+36>: ldo -30(sp),ret1
0x4000000000005650 <+40>: b,l 0x40000000000019c0 <.stub>,rp
0x4000000000005654 <+44>: ldi 0,r26
0x4000000000005658 <+48>: ldo -30(sp),ret1
0x400000000000565c <+52>: b,l 0x4000000000005668 <.stub>,rp
0x4000000000005660 <+56>: nop
0x4000000000005664 <+60>: nop
End of assembler dump.
(gdb) p/x $r3
$4 = 0xc00000000000b8fb
(gdb) p/x $ret0
$5 = 0x4000000000005647
