https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110603
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever confirmed|0 |1
Last reconfirmed| |2023-07-10
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.
(gdb) p lb
$1 = {<wide_int_storage> = {val = {2, 45595810, 140737488342608,
140737488342672, 140737488341240, 2147483664, 8, 140737339338752, 0},
len = 1, precision = 32}, static is_sign_extended = true}
(gdb) p ub
$2 = {<wide_int_storage> = {val = {1, 1, 1, 1, 140737488341320, 2147483664,
140737471578113, 0, 140735340871686}, len = 1, precision = 32},
static is_sign_extended = true}
from
#4 0x0000000002b7c5d7 in (anonymous namespace)::try_substitute_return_value (
gsi=0x7fffffffda18, info=..., res=...)
at /space/rguenther/src/gcc/gcc/gimple-ssa-sprintf.cc:4254
else if (lhs && types_compatible_p (TREE_TYPE (lhs), integer_type_node))
{
bool setrange = false;
if (safe
&& (info.bounded || retval[1] < info.objsize)
&& (retval[0] < target_int_max ()
&& retval[1] < target_int_max ()))
{
/* If the result is in a valid range bounded by the size of
the destination set it so that it can be used for subsequent
optimizations. */
int prec = TYPE_PRECISION (integer_type_node);
wide_int min = wi::shwi (retval[0], prec);
wide_int max = wi::shwi (retval[1], prec);
value_range r (TREE_TYPE (lhs), min, max);
set_range_info (lhs, r);
The issue is likely older but only triggered with recent ranger changes
(on the verifier side?).
