diff options
| author | Daniel Franke <franke.daniel@gmail.com> | 2010-05-19 12:35:34 -0400 |
|---|---|---|
| committer | Daniel Franke <dfranke@gcc.gnu.org> | 2010-05-19 12:35:34 -0400 |
| commit | daf8c6f03b7b7ae33e2e8e301d367eb8cce80e5c (patch) | |
| tree | 64411c68c4c176fc8f0be9929910e6ff86e28d23 /gcc/fortran/invoke.texi | |
| parent | f311c3b4a64ad8752904a0261a306bf191e5fcdc (diff) | |
| download | gcc-daf8c6f03b7b7ae33e2e8e301d367eb8cce80e5c.zip gcc-daf8c6f03b7b7ae33e2e8e301d367eb8cce80e5c.tar.gz gcc-daf8c6f03b7b7ae33e2e8e301d367eb8cce80e5c.tar.bz2 | |
re PR fortran/44055 (Warn (-Wconversion*) when converting single to double precision)
gcc/fortran/:
2010-05-19 Daniel Franke <franke.daniel@gmail.com>
PR fortran/44055
* lang.opt (Wconversion-extra): New option.
* gfortran.h (gfc_option_t): Add warn_conversion_extra.
* options.c (gfc_init_options): Disable -Wconversion-extra by default.
(set_Wall): Enable -Wconversion.
(gfc_handle_option): Set warn_conversion_extra.
* intrinsic.c (gfc_convert_type_warn): Ignore kind conditions
introduced for -Wconversion if -Wconversion-extra is present.
* invoke.texi: Add -Wconversion to -Wall; document new behaviour of
-Wconversion; document -Wconversion-extra.
gcc/testsuite/:
2010-05-19 Daniel Franke <franke.daniel@gmail.com>
PR fortran/44055
* gfortran.dg/c_sizeof_2.f90: Add -Wno-conversion to dg-options;
Fixed scope of C_SIZEOF.
* gfortran.dg/warn_conversion_2.f90: New.
From-SVN: r159586
Diffstat (limited to 'gcc/fortran/invoke.texi')
| -rw-r--r-- | gcc/fortran/invoke.texi | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/gcc/fortran/invoke.texi b/gcc/fortran/invoke.texi index 7b3fa6d..1b14cef 100644 --- a/gcc/fortran/invoke.texi +++ b/gcc/fortran/invoke.texi @@ -688,8 +688,8 @@ warnings. @cindex warnings, all Enables commonly used warning options pertaining to usage that we recommend avoiding and that we believe are easy to avoid. -This currently includes @option{-Waliasing}, -@option{-Wampersand}, @option{-Wsurprising}, @option{-Wintrinsics-std}, +This currently includes @option{-Waliasing}, @option{-Wampersand}, +@option{-Wconversion}, @option{-Wsurprising}, @option{-Wintrinsics-std}, @option{-Wno-tabs}, @option{-Wintrinsic-shadow} and @option{-Wline-truncation}. @item -Waliasing @@ -746,7 +746,14 @@ Warn when a source code line will be truncated. @opindex @code{Wconversion} @cindex warnings, conversion @cindex conversion -Warn about implicit conversions between different types. +Warn about implicit conversions that are likely to change the value of +the expression after conversion. Implied by @option{-Wall}. + +@item -Wconversion-extra +@opindex @code{Wconversion-extra} +@cindex warnings, conversion +@cindex conversion +Warn about implicit conversions between different types and kinds. @item -Wimplicit-interface @opindex @code{Wimplicit-interface} |