[Bug c/52073] New: ICE: vector VEC(vec_void_p,base) index domain error, in vinfo_for_stmt at tree-vectorizer.h:620

[regehr at cs dot utah.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52073

             Bug #: 52073
           Summary: ICE: vector VEC(vec_void_p,base) index domain error,
                    in vinfo_for_stmt at tree-vectorizer.h:620
    Classification: Unclassified
           Product: gcc
           Version: 4.7.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: regehr@cs.utah.edu
                CC: chenyang@cs.utah.edu


[regehr@gamow tmp]$ current-gcc -v
Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r183767-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r183767-install
--program-prefix=r183767- --enable-languages=c,c++
Thread model: posix
gcc version 4.7.0 20120131 (experimental) (GCC) 
[regehr@gamow tmp]$ current-gcc -Ofast small.c
small.c: In function 'fn8':
small.c:28:1: internal compiler error: vector VEC(vec_void_p,base) index domain
error, in vinfo_for_stmt at tree-vectorizer.h:620
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
[regehr@gamow tmp]$ cat small.c
int c;
int
fn3 ()
{
  return c;
}

int d;
int
fn4 (ui2)
{
  d = ui2;
  return 0 == d;
}

struct S0
{
};
int e;
int f;
int g;
int h;
static unsigned long long fn5 (unsigned char);
void fn6 (struct S0);
void fn7 ();
struct S0 j;
void
fn8 ()
{
  fn6 (j);
  fn5 (0);
}

unsigned long long
fn5 (unsigned char p_7)
{
  for (;; h--)
    fn7 ();
}

void
fn6 (struct S0 p_16)
{
  e = 1;
}

int m;
int n;
void
fn7 ()
{
  int p;
lbl_140:p = fn3 ();
  if (f)
    {
      if (e)
    goto lbl_140;
      for (; m;)
    --g;
    }
  else
    for (n = 5; n; n--)
      p = fn4 (p);
  if (p)
    {
    }
  else
    f = 0;
}