[Bug rtl-optimization/82398] error: qsort comparator non-negative on sorted output: 2 in fill_vec_av_set at gcc/sel-sched.c:3725

[schwab@linux-m68k.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82398

Andreas Schwab <schwab@linux-m68k.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|ppc64le-linux-gnu           |ppc64le-*-*, ia64-*-*
               Host|x86_64-pc-linux-gnu         |

--- Comment #1 from Andreas Schwab <schwab@linux-m68k.org> ---
This is probably the same bug (on ia64):

FAIL: gcc.c-torture/execute/pr57861.c   -O3 -fomit-frame-pointer -funroll-loops
-fpeel-loops -ftracer -finline-functions  (test for excess errors)

/usr/local/gcc/gcc-20171002/gcc/testsuite/gcc.c-torture/execute/pr57861.c:33:1:
error: qsort comparator non-negative on sorted output: 1
during RTL pass: mach
/usr/local/gcc/gcc-20171002/gcc/testsuite/gcc.c-torture/execute/pr57861.c:33:1:
internal compiler error: qsort checking failed
0x40000000001b2d9f qsort_chk_error
        ../../gcc/vec.c:222
0x400000000209cecf qsort_chk(void*, unsigned long, unsigned long, int (*)(void
const*, void const*))
        ../../gcc/vec.c:274
0x4000000001015d9f vec<_expr*, va_heap, vl_embed>::qsort(int (*)(void const*,
void const*))
        ../../gcc/vec.h:973
0x4000000001015d9f vec<_expr*, va_heap, vl_ptr>::qsort(int (*)(void const*,
void const*))
        ../../gcc/vec.h:1735
0x4000000001015d9f fill_vec_av_set
        ../../gcc/sel-sched.c:3725
0x400000000101be4f fill_ready_list
        ../../gcc/sel-sched.c:4022
0x400000000101be4f find_best_expr
        ../../gcc/sel-sched.c:4382
0x400000000101be4f fill_insns
        ../../gcc/sel-sched.c:5539
0x400000000101be4f schedule_on_fences
        ../../gcc/sel-sched.c:7356
0x400000000101be4f sel_sched_region_2
        ../../gcc/sel-sched.c:7494
0x40000000010252cf sel_sched_region_1
        ../../gcc/sel-sched.c:7536
0x40000000010252cf sel_sched_region(int)
        ../../gcc/sel-sched.c:7637
0x400000000102666f run_selective_scheduling()
        ../../gcc/sel-sched.c:7713
0x400000000190fd7f ia64_reorg
        ../../gcc/config/ia64/ia64.c:9854
0x4000000000f85acf execute
        ../../gcc/reorg.c:3947