https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102960
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Known to fail| |10.3.0, 11.2.0, 12.0
Summary|ICE: in sign_mask, at |[10/11/12 Regression] ICE:
|wide-int.h:855 in GCC |in sign_mask, at
|10.3.0 |wide-int.h:855 in GCC
| |10.3.0
Last reconfirmed| |2021-10-27
Status|UNCONFIRMED |NEW
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Confirmed with 10 and above. The code below expects minlen to be constant but
it's actually a COND_EXPR.
/* Adjust the minimum and maximum length determined
so far and the upper bound on the array size. */
if (!pdata->minlen
|| tree_int_cst_lt (argdata.minlen, pdata->minlen))
pdata->minlen = argdata.minlen;
The length is computed from the variable below:
<ssa_name 0x7fffea150f30
type <pointer_type 0x7fffea8215e8
type <integer_type 0x7fffea821540 char readonly public type_6 QI
size <integer_cst 0x7fffea817048 constant 8>
unit-size <integer_cst 0x7fffea817060 constant 1>
align:8 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7fffea821540 precision:8 min <integer_cst 0x7fffea817090 -128> max
<integer_cst 0x7fffea8170c0 127>
pointer_to_this <pointer_type 0x7fffea8215e8> reference_to_this
<reference_type 0x7fffe9d8b1f8>>
sizes-gimplified public unsigned type_6 DI
size <integer_cst 0x7fffea7f5f48 constant 64>
unit-size <integer_cst 0x7fffea7f5f60 constant 8>
align:64 warn_if_not_align:0 symtab:0 alias-set 3 canonical-type
0x7fffea8215e8
pointer_to_this <pointer_type 0x7fffea9d5540>>
visited var <var_decl 0x7fffe912f900 sNaN>
def_stmt sNaN_8 = &", NaN"[commaAdjust_2];
version:8>
