diff options
| author | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2012-10-16 15:31:46 +0000 |
|---|---|---|
| committer | Manuel López-Ibáñez <manu@gcc.gnu.org> | 2012-10-16 15:31:46 +0000 |
| commit | 9286974a64c1dab24db7d326a9b077653551ed75 (patch) | |
| tree | 4ce566a273abe5c8b53f22c6bfb4b3a8226b26e0 /gcc/c-family | |
| parent | 51de9df6201e94cccb9350a337f658bb8bdfda5c (diff) | |
2012-10-16 Manuel López-Ibáñez <manu@gcc.gnu.org>
PR c/53063
PR c/40989
gcc/
* optc-gen.awk: Handle new form of LangEnabledBy.
* opts.c (set_Wstrict_aliasing): Declare here. Make static.
* common.opt (Wstrict-aliasing=,Wstrict-overflow=): Do not use Init.
* doc/options.texi (LangEnabledBy): Document new form.
* flags.h (set_Wstrict_aliasing): Do not declare.
c-family/
* c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy.
* c-opts.c (c_common_handle_option): Do not set them here. Add
comment.
(c_common_post_options): Likewise.
testsuite/
* gcc.dg/Wstrict-overflow-24.c: New.
git-svn-id: https://gcc.gnu.org/svn/gcc/trunk@192502 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-family')
| -rw-r--r-- | gcc/c-family/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/c-family/c-opts.c | 10 | ||||
| -rw-r--r-- | gcc/c-family/c.opt | 8 |
3 files changed, 18 insertions, 9 deletions
diff --git a/gcc/c-family/ChangeLog b/gcc/c-family/ChangeLog index 8cc5c56a919..e2499fb8dbe 100644 --- a/gcc/c-family/ChangeLog +++ b/gcc/c-family/ChangeLog @@ -1,3 +1,12 @@ +2012-10-16 Manuel López-Ibáñez <manu@gcc.gnu.org> + + PR c/53063 + PR c/40989 + * c.opt (Wstrict-aliasing=,Wstrict-overflow=): Use LangEnabledBy. + * c-opts.c (c_common_handle_option): Do not set them here. Add + comment. + (c_common_post_options): Likewise. + 2012-10-16 Eric Botcazou <ebotcazou@adacore.com> * c-ada-spec.c (ADA_HOST_WIDE_INT_PRINT_DOUBLE_HEX): Define. diff --git a/gcc/c-family/c-opts.c b/gcc/c-family/c-opts.c index 29121b5d474..ebbf7d91c67 100644 --- a/gcc/c-family/c-opts.c +++ b/gcc/c-family/c-opts.c @@ -360,6 +360,7 @@ c_common_handle_option (size_t scode, const char *arg, int value, break; case OPT_Wall: + /* ??? Don't add new options here. Use LangEnabledBy in c.opt. */ handle_generated_option (&global_options, &global_options_set, OPT_Wunused, NULL, value, c_family_lang_mask, kind, loc, @@ -375,11 +376,7 @@ c_common_handle_option (size_t scode, const char *arg, int value, warn_sequence_point = value; /* Was C only. */ warn_switch = value; warn_sizeof_pointer_memaccess = value; - if (warn_strict_aliasing == -1) - set_Wstrict_aliasing (&global_options, value); warn_address = value; - if (warn_strict_overflow == -1) - warn_strict_overflow = value; warn_array_bounds = value; warn_volatile_register_var = value; @@ -939,11 +936,6 @@ c_common_post_options (const char **pfilename) if (warn_pointer_sign == -1) warn_pointer_sign = 0; - if (warn_strict_aliasing == -1) - warn_strict_aliasing = 0; - if (warn_strict_overflow == -1) - warn_strict_overflow = 0; - /* -Woverlength-strings is off by default, but is enabled by -Wpedantic. It is never enabled in C++, as the minimum limit is not normative in that standard. */ diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt index b02c515327c..316698468c1 100644 --- a/gcc/c-family/c.opt +++ b/gcc/c-family/c.opt @@ -629,6 +629,14 @@ Wstrict-prototypes C ObjC Var(warn_strict_prototypes) Warning Warn about unprototyped function declarations +Wstrict-aliasing= +C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 3, 0) +; + +Wstrict-overflow= +C ObjC C++ ObjC++ LangEnabledBy(C ObjC C++ ObjC++,Wall, 1, 0) +; + Wstrict-selector-match ObjC ObjC++ Var(warn_strict_selector_match) Warning Warn if type signatures of candidate methods do not match exactly |