[Bug c/47370] New: error: invalid first operand of MEM_REF

[regehr at cs dot utah.edu]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47370

           Summary: error: invalid first operand of MEM_REF
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassig...@gcc.gnu.org
        ReportedBy: reg...@cs.utah.edu
                CC: cheny...@cs.utah.edu


regehr@home:~/volatile/bugs/tmp346$ current-gcc -O2 -c small.c

small.c: In function ‘func_115’:
small.c:27:1: error: invalid first operand of MEM_REF
&l_233[0]
small.c:18:3: note: in statement
# .MEM_6 = VDEF <.MEM_1(D)>
MEM[(struct S0 *)&l_233[0]] = l_111$f4_5;

small.c:27:1: internal compiler error: verify_stmts failed
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

regehr@home:~/volatile/bugs/tmp346$ current-gcc -v

Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/mnt/z/z/compiler-install/gcc-r169046-install/libexec/gcc/i686-pc-linux-gnu/4.6.0/lto-wrapper
Target: i686-pc-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/mnt/z/z/compiler-install/gcc-r169046-install
--program-prefix=r169046- --enable-languages=c,c++
Thread model: posix
gcc version 4.6.0 20110120 (experimental) (GCC) 

regehr@home:~/volatile/bugs/tmp346$ cat small.c


struct S0
{
  int f4;
};

void func_23 (void)
{
  int i;
  for (i = 0; i < 1;) 
    ;
}

struct S0 func_105 (void)
{
  struct S0 l_111 = {
    99
  };
  return l_111;
}

void func_115 (void)
{
  struct S0 l_233[1];
  l_233[0] = func_105 ();
  func_105 ();
  func_23 ();
}