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Date: Fri, 07 May 2010 21:03:00 -0000
Subject: [Bug c/44031]  New: ice in subst_reloads, at reload.c:6327
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From: "regehr at cs dot utah dot edu" <gcc-bugzilla@gcc.gnu.org>
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[regehr@bethe tmp600]$ current-gcc -v
Using built-in specs.
COLLECT_GCC=current-gcc
COLLECT_LTO_WRAPPER=/uusoc/exports/scratch/regehr/z/compiler-install/gcc-r159144-install/bin/../libexec/gcc/x86_64-unknown-linux-gnu/4.6.0/lto-wrapper
Target: x86_64-unknown-linux-gnu
Configured with: ../configure --with-libelf=/usr/local --enable-lto
--prefix=/home/regehr/z/compiler-install/gcc-r159144-install
--program-prefix=r159144- --enable-languages=c,c++
Thread model: posix
gcc version 4.6.0 20100507 (experimental) (GCC) 

[regehr@bethe tmp600]$ current-gcc -O -c small.c         

small.c: In function 'int321':
small.c:35:1: internal compiler error: in subst_reloads, at reload.c:6327
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.

[regehr@bethe tmp600]$ cat small.c

typedef unsigned char uint8_t;
typedef unsigned int uint32_t;
typedef unsigned long int uint64_t;

static uint32_t
safe_add_func_uint32_t_u_u (uint32_t ui1, uint32_t ui2)
{
  return ui1 + ui2;
}

static uint64_t
safe_div_func_uint64_t_u_u (uint64_t ui1, uint32_t ui2)
{
  return ui2 ? : (ui1 / ui2);
}

uint8_t g_55;
uint8_t *g_73 = &g_55;
uint8_t **g_332 = &g_73;

int func_38(uint8_t *,int);
int func_8(int);

int int321 (void)
{
  uint8_t l_26[4];
  uint8_t *l_238 = &l_26[2];
  uint8_t l_400;
  l_400 &=
    func_38 (&l_26[3],
             safe_add_func_uint32_t_u_u (safe_div_func_uint64_t_u_u
                                         (1, **g_332),
                                         *l_238) >= *l_238 < func_8 (0)), 1;
  return 0;
}


-- 
           Summary: ice in subst_reloads, at reload.c:6327
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: regehr at cs dot utah dot edu
 GCC build triplet: x86_64-unknown-linux-gnu
  GCC host triplet: x86_64-unknown-linux-gnu
GCC target triplet: x86_64-unknown-linux-gnu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44031