[Bug tree-optimization/54458] ICE get_loop_body, at cfgloop.c:830

[francesco.zappa.nardelli at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54458

--- Comment #1 from Francesco Zappa Nardelli <francesco.zappa.nardelli at gmail 
dot com> 2012-09-02 15:42:45 UTC ---
$ gcc -v       
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/home/yquem/moscova/zappa/source/gcc-svn-bin/libexec/gcc/x86_64-unknown-linux-gnu/4.8.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../gcc-svn/configure
--prefix=/home/yquem/moscova/zappa/source/gcc-svn-bin/
Thread model: posix
gcc version 4.8.0 20120627 (experimental) (GCC) 

[a recent but not the latest svn trunk]

$ cat input.c

int a, b, c, d;
void
func_34 () {
lbl_424:
  if (c ? 0 : 0 % 0)
    for (; a; a--)
lbl_130: {
    }
  else if (d)
    for (;;) {
    }
  if (b)
    goto lbl_130;
  goto lbl_424;
}
void
main () {
}

$ gcc -O3 input.c
input.c: In function 'func_34':
input.c:5:17: warning: division by zero [-Wdiv-by-zero]
   if (c ? 0 : 0 % 0)
                 ^
input.c:3:1: internal compiler error: in get_loop_body, at cfgloop.c:830
 func_34 () {
 ^
Please submit a full bug report.