https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61354
Bug ID: 61354
Summary: GCC bootstrap with LTO fails in trunk when built with
isl
Product: gcc
Version: lto
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: middle-end
Assignee: unassigned at gcc dot gnu.org
Reporter: venkataramanan.kumar at amd dot com
Machine: AMD64
Revision tested: trunk 210955
sources/gcc-fsf/gcc/configure
--prefix=/work/builds/lto-native-bootstrap-install-trunk
--with-build-config=bootstrap-lto
make -j4
(Snip)
../../../sources/gcc-fsf/gcc/isl/isl_map_simplify.c: In function
âisl_basic_map_drop_redundant_divsâ:
../../../sources/gcc-fsf/gcc/isl/isl_map_simplify.c:3046:19: error: âlast_negâ
may be used uninitialized in this function [-Werror=maybe-uninitialized]
bmap->ineq[last_neg] + 1,
^
../../../sources/gcc-fsf/gcc/isl/isl_map_simplify.c:3007:17: note: âlast_negâ
was declared here
int last_pos, last_neg;
^
../../../sources/gcc-fsf/gcc/isl/isl_map_simplify.c:3062:9: error: âlast_posâ
may be used uninitialized in this function [-Werror=maybe-uninitialized]
!ok_to_set_div_from_bound(bmap, i, last_pos)) {
^
../../../sources/gcc-fsf/gcc/isl/isl_map_simplify.c:3007:7: note: âlast_posâ
was declared here
int last_pos, last_neg;
(Snip)
