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[Bug target/82398] New: error: qsort comparator non-negative on sorted output: 2 in fill_vec_av_set at gcc/sel-sched.c:3725
- From: "marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 02 Oct 2017 11:52:28 +0000
- Subject: [Bug target/82398] New: error: qsort comparator non-negative on sorted output: 2 in fill_vec_av_set at gcc/sel-sched.c:3725
- Auto-submitted: auto-generated
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82398
Bug ID: 82398
Summary: error: qsort comparator non-negative on sorted output:
2 in fill_vec_av_set at gcc/sel-sched.c:3725
Product: gcc
Version: unknown
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: ppc64le-linux-gnu
Using cross-compiler one can see after Alexander's commit r253295:
$ ppc64-linux-gnu-gcc
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr56195.c -Ofast
-fselective-scheduling
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr56195.c: In
function ‘fn’:
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr56195.c:31:1:
error: qsort comparator non-negative on sorted output: 2
}
^
during RTL pass: sched1
/home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/torture/pr56195.c:31:1:
internal compiler error: qsort checking failed
0x57afe6 qsort_chk_error
.././../gcc/vec.c:222
0x128f3b5 qsort_chk(void*, unsigned long, unsigned long, int (*)(void const*,
void const*))
.././../gcc/vec.c:274
0xb11ca3 vec<_expr*, va_heap, vl_embed>::qsort(int (*)(void const*, void
const*))
.././../gcc/vec.h:973
0xb11ca3 vec<_expr*, va_heap, vl_ptr>::qsort(int (*)(void const*, void const*))
.././../gcc/vec.h:1735
0xb11ca3 fill_vec_av_set
.././../gcc/sel-sched.c:3725
0xb14493 fill_ready_list
.././../gcc/sel-sched.c:4022
0xb14493 find_best_expr
.././../gcc/sel-sched.c:4382
0xb14493 fill_insns
.././../gcc/sel-sched.c:5539
0xb165b0 schedule_on_fences
.././../gcc/sel-sched.c:7356
0xb165b0 sel_sched_region_2
.././../gcc/sel-sched.c:7494
0xb18ae1 sel_sched_region_1
.././../gcc/sel-sched.c:7536
0xb18ae1 sel_sched_region(int)
.././../gcc/sel-sched.c:7637
0xb190c9 run_selective_scheduling()
.././../gcc/sel-sched.c:7713
0xaf182d rest_of_handle_sched
.././../gcc/sched-rgn.c:3715
0xaf182d execute
.././../gcc/sched-rgn.c:3825