[Bug rtl-optimization/37617] gcc 4.4 regression: ICE on valid code

["edwintorok at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #1 from edwintorok at gmail dot com  2008-09-22 20:18 -------
/* testcase compile this with -O1 */
typedef struct TCase TCase;
typedef void (*TFun) (int);
typedef struct Suite Suite;
void _tcase_add_test (TCase * tc, TFun tf, const char *fname, int signal,
                      int start, int end);
void _fail_unless (int result, const char *file, int line, const char *expr,
                   ...);
enum val_type
{
  vtype_undefined, vtype_cstring, vtype_string, vtype_scope, vtype_dval,
    vtype_ival
};
typedef struct token
{
  union
  {
    char *string;
    double dval;
  }
  val;
  enum val_type vtype;
}
yystype;
static int
vtype_compatible (enum val_type orig, enum val_type req)
{
}

static void
test_token_dval (int _i __attribute__ ((unused)))
{
  {
    int val = 0.12345;
    yystype tok;
    do
      {
        (&tok)->val.dval = (val);
      }
    while (0);
    _fail_unless ((vtype_compatible ((&tok)->vtype, vtype_string) ? (&tok)->
                   val.string : ((void *) 0)) == ((void *) 0),
                  "../../../trunk/unit_tests/check_jsnorm.c", 150,
                  "Assertion '" "TOKEN_GET(&tok, string) == NULL" "' failed",
                  "token dval->string", ((void *) 0));
  }
}

Suite *
test_jsnorm_suite (void)
{
  TCase *tc_jsnorm_gperf, *tc_jsnorm_token, *tc_jsnorm_api,
    *tc_jsnorm_tokenizer, *tc_jsnorm_bugs, *tc_screnc_infloop;
  _tcase_add_test ((tc_jsnorm_token), (test_token_dval),
                   "" "test_token_dval" "", (0), 0, 1);
}


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37617