[Bug target/69252] [4.9/5/6 Regression] gcc.dg/vect/vect-iv-9.c FAILs with -Os -fmodulo-sched -fmodulo-sched-allow-regmoves -fsched-pressure

["msebor at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69252

--- Comment #10 from Martin Sebor <msebor at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #5)
> b) try make check -jN
> RUNTESTFLAGS='--target_board=unix/fmodulo-sched/-fmodulo-sched-allow-
> regmoves/-fsched-pressure' with unpatched vs. patched, see if it doesn't
> regress any test and perhaps improves some other than this one

The patch reduces the number of failed tests.   Below, the first numeric column
is the baseline (unpatched) result and the second one is patched.

                === gcc Summary ===

# of expected passes            99909    99925
# of unexpected failures        278      262
# of unexpected successes       20       20
# of expected failures          315      315
# of unresolved testcases       1        1
# of unsupported tests          2027     2027


                === gfortran Summary ===

# of expected passes            41458    41461
# of unexpected failures        21       18
# of expected failures          89       89
# of unsupported tests          83       83


                === g++ Summary ===

# of expected passes            97246    97247
# of unexpected failures        13       12
# of expected failures          263      263
# of unsupported tests          3799     3799


                === libgomp Summary ===

# of expected passes            4596     4610
# of unexpected failures        16       2
# of unresolved testcases       2        2
# of unsupported tests          302      302


                === libstdc++ Summary ===

# of expected passes            10960    10965
# of unexpected failures        46       41
# of expected failures          68       68
# of unsupported tests          232      233