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| author | Jakub Jelinek <jakub@redhat.com> | 2016-10-12 01:19:06 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-10-12 01:19:06 +0200 |
| commit | 70f6d5e19bb7c0eed9f3fc028632405b5c166676 (patch) | |
| tree | 07eca0bd2785dbe7d4080d868f53c82033d3cef3 /gcc/common.opt | |
| parent | 4803de58c5fc0f260fe63cedbdfcd4091d136fbf (diff) | |
| download | gcc-70f6d5e19bb7c0eed9f3fc028632405b5c166676.zip gcc-70f6d5e19bb7c0eed9f3fc028632405b5c166676.tar.gz gcc-70f6d5e19bb7c0eed9f3fc028632405b5c166676.tar.bz2 | |
gcc/
* common.opt (Wimplicit-fallthrough) Turn into alias to
-Wimplicit-fallthrough=3. Remove EnabledBy.
(Wimplicit-fallthrough=): New option.
* gimplify.c (warn_implicit_fallthrough_r): Use
OPT_Wimplicit_fallthrough_ instead of OPT_Wimplicit_fallthrough.
* doc/invoke.texi (-Wimplicit-fallthrough): Document as alias
to -Wimplicit-fallthrough=3.
(-Wimplicit-fallthrough=): Document.
gcc/c-family/
* c.opt (Wextra): Add as C/C++/ObjC/ObjC++ option.
(Wimplicit-fallthrough=): Enable for these languages by -Wextra.
* c-opts.c (sanitize_cpp_opts): Initialize
cpp_opts->cpp_warn_implicit_fallthrough.
gcc/testsuite/
* c-c++-common/Wimplicit-fallthrough-25.c: New test.
* c-c++-common/Wimplicit-fallthrough-26.c: New test.
* c-c++-common/Wimplicit-fallthrough-27.c: New test.
* c-c++-common/Wimplicit-fallthrough-28.c: New test.
* c-c++-common/Wimplicit-fallthrough-29.c: New test.
* c-c++-common/Wimplicit-fallthrough-30.c: New test.
* c-c++-common/Wimplicit-fallthrough-31.c: New test.
* c-c++-common/Wimplicit-fallthrough-32.c: New test.
* c-c++-common/Wimplicit-fallthrough-33.c: New test.
libcpp/
* include/cpplib.h (struct cpp_options): Add
cpp_warn_implicit_fallthrough.
* init.c (cpp_create_reader): Initialize it to 0.
* lex.c (fallthrough_comment_p): Handle different
cpp_warn_implicit_fallthrough levels. Whitespace fixes.
From-SVN: r241013
Diffstat (limited to 'gcc/common.opt')
| -rw-r--r-- | gcc/common.opt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index 3425c19..15679c5 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -602,7 +602,10 @@ Common Var(warn_hsa) Init(1) Warning Warn when a function cannot be expanded to HSAIL. Wimplicit-fallthrough -Common Var(warn_implicit_fallthrough) Warning EnabledBy(Wextra) +Common Alias(Wimplicit-fallthrough=,3,0) Warning + +Wimplicit-fallthrough= +Common Var(warn_implicit_fallthrough) RejectNegative Joined UInteger Warning Warn when a switch case falls through. Winline |