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| author | Nathan Sidwell <nathan@codesourcery.com> | 2002-10-08 19:20:18 +0000 |
|---|---|---|
| committer | Nathan Sidwell <nathan@gcc.gnu.org> | 2002-10-08 19:20:18 +0000 |
| commit | bf52f89914772b771d30abea73d2754268874d44 (patch) | |
| tree | 931ded0405225a7ea610ab31e640db7544deb6c2 /gcc/flags.h | |
| parent | b7932de6a1df9f98fff676ec00e67f9cfd806794 (diff) | |
| download | gcc-bf52f89914772b771d30abea73d2754268874d44.zip gcc-bf52f89914772b771d30abea73d2754268874d44.tar.gz gcc-bf52f89914772b771d30abea73d2754268874d44.tar.bz2 | |
c-opts.c (c_common_decode_option): Add warn_strict_aliasing to -Wall.
gcc:
* c-opts.c (c_common_decode_option): Add warn_strict_aliasing to
-Wall.
* c-typeck.c (build_c_cast): Use warn_strict_aliasing, tweak
message.
* flags.h (warn_strict_aliasing): Declare.
* toplev.c (warn_strict_aliasing): Define.
(lang_independent_options): Add it.
* doc/invoke.texi (-Wstrict-aliasing): Document it.
testsuite:
* gcc.dg/alias-1.c: Tweak expected warning.
From-SVN: r57938
Diffstat (limited to 'gcc/flags.h')
| -rw-r--r-- | gcc/flags.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/flags.h b/gcc/flags.h index e0e7b09a..c549275 100644 --- a/gcc/flags.h +++ b/gcc/flags.h @@ -184,6 +184,11 @@ extern int warn_disabled_optimization; extern int warn_deprecated_decl; +/* Nonzero means warn about constructs which might not be strict + aliasing safe. */ + +extern int warn_strict_aliasing; + /* Nonzero if generating code to do profiling. */ extern int profile_flag; |