Reminder re breakage on Friday of Ada in lcm.c

[Vladimir Merzliakov]

>I sent this right before the holiday and thought I'd sent out a reminder
> today.  This is http://gcc.gnu.org/ml/gcc/2004-09/msg00184.html

This can be related to http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17345

>
> My investigation showed that it was a /u call_insn at the abort point, but
> I don't understand the code enough to know why that just started 
> happening.
>
> -----------------------------------------------------------------------------
> This appeared with something checked in sometime Friday.
>
> I verified that it was *not* the change to lcm.c that caused it.  I'll
> investigate further, but does anybody have any ideas?
>
> ../../xgcc -B../../ -c -g -O2      -W -Wall -gnatpg  a-nllcef.ads -o 
> a-nllcef.o
> +===========================GNAT BUG 
> DETECTED==============================+
> | 5.03h (20040831) (x86_64-unknown-linux-gnu) GCC error: 
> |
> | in optimize_mode_switching, at lcm.c:1220 
> |
>