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| author | Thomas Koenig <tkoenig@gcc.gnu.org> | 2013-08-12 05:50:03 +0000 |
|---|---|---|
| committer | Thomas Koenig <tkoenig@gcc.gnu.org> | 2013-08-12 05:50:03 +0000 |
| commit | 983c1495f4db9a0270d07fe00058d7e1fa115fc0 (patch) | |
| tree | c0b67820530848b80905158737ebf6f035db92ad /gcc/fortran/invoke.texi | |
| parent | ffc5e08656f7e98cef994b8da435a23dd5a2a4d9 (diff) | |
2013-08-12 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/56666
* gfortran.h (gfc_option_t): Add warn_zerotrip.
* invoke.texi (-Wzerotrip): Document option.
* lang.opt (Wzerotrip): Add.
* options.c (gfc_init_options): Initialize warn_zerotrip.
(set_Wall): Add handling of warn_zerotrip.
(gfc_handle_option): Handle OPT_Wzerotrip.
* resolve.c (gfc_resolve_iterator): Honor
gfc_option.warn_zerotrip; update error message to show
how to suppress the warning.
2013-08-12 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/56666
* gfortran.dg/do_check_10.f90: New test.
* gfortran.dg/array_constructor_11.f90: Add -Wzerotrip to dg-options.
* gfortran.dg/array_constructor_18.f90: Likewise.
* gfortran.dg/array_constructor_22.f90: Likewise.
* gfortran.dg/coarray_15.f90: Likewise.
* gfortran.dg/do_1.f90: Add -Wall to dg-options.
* gfortran.dg/do_3.F90: Add -Wzerotrip to dg-options.
* gfortran.dg/do_check_5.f90: Add -Wall to gd-options.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@201658 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/fortran/invoke.texi')
| -rw-r--r-- | gcc/fortran/invoke.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 3af57a300f8..69bec275de9 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -954,6 +954,11 @@ This option is implied by @option{-Wextra}. Warn if the pointer in a pointer assignment might be longer than the its target. This option is implied by @option{-Wall}. +@item -Wzerotrip +@opindex @code{Wzerotrip} +Warn if a @code{DO} loop is known to execute zero times at compile +time. This option is implied by @option{-Wall}. + @item -Werror @opindex @code{Werror} @cindex warnings, to errors |