diff options
| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2012-08-19 15:05:41 +0000 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2012-08-19 15:05:41 +0000 |
| commit | cf21551eac46a2494613eb3ef8d62699c6d9ab74 (patch) | |
| tree | 84b40c19d9c7f98d00864d2e148356bbea76b7b7 /gcc/fortran/lang.opt | |
| parent | 5da8c011067c5514c5e891fd8b4d854eb4fc2e71 (diff) | |
| download | gcc-cf21551eac46a2494613eb3ef8d62699c6d9ab74.zip gcc-cf21551eac46a2494613eb3ef8d62699c6d9ab74.tar.gz gcc-cf21551eac46a2494613eb3ef8d62699c6d9ab74.tar.bz2 | |
re PR fortran/54298 (Add warning when doing equal/nonequal floating-point comparisons)
2012-08-19 Thomas König <tkoenig@gcc.gnu.org>
PR fortran/54298
* gfortran.h (struct gfc_option_t): Add warn_compare_reals.
* lang.opt: Add Wcompare-reals.
* invoke.texi: Document -Wcompare-reals.
* resolve.c (resolve_operator): If -Wcompare-reals is in effect,
warn about equality/inequality comparisions for REAL and COMPLEX.
* options.c (gfc_init_options): Set warn_compare_reals.
(set_Wall): Include warn_compare_reals in Wall.
(gfc_handle_option): Handle Wcompare_reals.
2012-08-19 Thomas König <tkoenig@gcc.gnu.org>
PR fortran/54298
* gfortran.dg/real_compare_1.f90: New test case.
* gfortran.dg/bessel_5.f90 Add -Wno-compare-reals to options.
From-SVN: r190516
Diffstat (limited to 'gcc/fortran/lang.opt')
| -rw-r--r-- | gcc/fortran/lang.opt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/fortran/lang.opt b/gcc/fortran/lang.opt index 3b9d29b..e0c7cf7 100644 --- a/gcc/fortran/lang.opt +++ b/gcc/fortran/lang.opt @@ -218,6 +218,10 @@ Wcharacter-truncation Fortran Warning Warn about truncated character expressions +Wcompare-reals +Fortran Warning +Warn about equality comparisons involving REAL or COMPLEX expressions + Wconversion Fortran Warning ; Documented in C |