------- Additional Comments From pinskia at gcc dot gnu dot org 2005-07-12
15:16 -------
(In reply to comment #1)
> Confirmed. Reduced testcase:
Reduced testcase which fails everywhere (even on 64bit targets):
char foo(__SIZE_TYPE__ n)
{
char c[1][n];
return c[0][0];
}
======
Here is the backtrace:
#1 0x002eec68 in fancy_abort (file=0x8e8a78
"/Users/pinskia/src/local/gcc/gcc/fold-const.c",
line=1663, function=0xa08968 "size_binop") at
/Users/pinskia/src/local/gcc/gcc/diagnostic.c:590
#2 0x0033c70c in size_binop (code=EXACT_DIV_EXPR, arg0=0x41dba9a0,
arg1=0x41d114a0) at /
Users/pinskia/src/local/gcc/gcc/fold-const.c:1662
#3 0x001db4c4 in gimplify_compound_lval (expr_p=0x41dc1c3c, pre_p=0xbfffe8d4,
post_p=0xbfffe8d8, fallback=fb_rvalue) at
/Users/pinskia/src/local/gcc/gcc/gimplify.c:1500
#4 0x001eb2d8 in gimplify_expr (expr_p=0x41dc1c3c, pre_p=0xbfffe8d4,
post_p=0xbfffe8d8,
gimple_test_f=0x3e8364 <is_gimple_val>, fallback=fb_rvalue) at
/Users/pinskia/src/local/gcc/gcc/
gimplify.c:3978
#5 0x001ebbb0 in gimplify_expr (expr_p=0x41dbcef0, pre_p=0xbfffe8d4,
post_p=0xbfffe8d8,
gimple_test_f=0x3e72fc <is_gimple_reg_rhs>, fallback=fb_rvalue) at
/Users/pinskia/src/local/gcc/
gcc/gimplify.c:4072
#6 0x001e6b10 in gimplify_modify_expr (expr_p=0xbfffe9f8, pre_p=0xbfffe8d4,
post_p=0xbfffe8d8,
want_value=0 '\0') at /Users/pinskia/src/local/gcc/gcc/gimplify.c:3154
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |pinskia at gcc dot gnu dot
| |org
Component|c |middle-end
GCC build triplet|i486-linux-gnu |
GCC host triplet|i486-linux-gnu |
GCC target triplet|i486-linux-gnu |
Known to fail| |4.0.0 4.1.0
Known to work| |3.4.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=22439
