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| author | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-10-23 18:34:45 +0000 |
|---|---|---|
| committer | paolo <paolo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-10-23 18:34:45 +0000 |
| commit | 4fe0fb1c69bc846582aab11b97d5dc821b7b9964 (patch) | |
| tree | 968311c992d2f47134800cd82fe3d4713af460fd /gcc/c-family/c-opts.c | |
| parent | a402d52a3f514275438ae1a3fe86f63fc6c3f2e1 (diff) | |
| download | ppe42-gcc-4fe0fb1c69bc846582aab11b97d5dc821b7b9964.tar.gz ppe42-gcc-4fe0fb1c69bc846582aab11b97d5dc821b7b9964.zip | |
/c-family
2011-10-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50810
* c-opts.c (c_common_handle_option): Enable -Wnarrowing as part
of -Wall; include -Wnarrowing in -Wc++0x-compat; adjust default
Wnarrowing for C++0x and C++98.
* c.opt ([Wnarrowing]): Update.
/cp
2011-10-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50810
* typeck2.c (check_narrowing): Adjust OPT_Wnarrowing diagnostics.
(digest_init_r): Call check_narrowing irrespective of the C++ dialect.
* decl.c (check_initializer): Likewise.
* semantics.c (finish_compound_literal): Likewise.
/testsuite
2011-10-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50810
* g++.dg/cpp0x/warn_cxx0x2.C: New.
* g++.dg/cpp0x/warn_cxx0x3.C: Likewise.
2011-10-23 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/50810
* doc/invoke.texi ([-Wnarrowing], [-Wc++0x-compat]): Update.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180343 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/c-family/c-opts.c')
| -rw-r--r-- | gcc/c-family/c-opts.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/gcc/c-family/c-opts.c b/gcc/c-family/c-opts.c index 6869d5c35ef..14e49332c27 100644 --- a/gcc/c-family/c-opts.c +++ b/gcc/c-family/c-opts.c @@ -406,6 +406,7 @@ c_common_handle_option (size_t scode, const char *arg, int value, warn_reorder = value; warn_cxx0x_compat = value; warn_delnonvdtor = value; + warn_narrowing = value; } cpp_opts->warn_trigraphs = value; @@ -436,6 +437,10 @@ c_common_handle_option (size_t scode, const char *arg, int value, cpp_opts->warn_cxx_operator_names = value; break; + case OPT_Wc__0x_compat: + warn_narrowing = value; + break; + case OPT_Wdeprecated: cpp_opts->cpp_warn_deprecated = value; break; @@ -997,10 +1002,17 @@ c_common_post_options (const char **pfilename) if (warn_implicit_function_declaration == -1) warn_implicit_function_declaration = flag_isoc99; - /* If we're allowing C++0x constructs, don't warn about C++0x - compatibility problems. */ if (cxx_dialect == cxx0x) - warn_cxx0x_compat = 0; + { + /* If we're allowing C++0x constructs, don't warn about C++98 + identifiers which are keywords in C++0x. */ + warn_cxx0x_compat = 0; + + if (warn_narrowing == -1) + warn_narrowing = 1; + } + else if (warn_narrowing == -1) + warn_narrowing = 0; if (flag_preprocess_only) { |
