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| author | Joseph Myers <joseph@codesourcery.com> | 2011-03-18 23:26:16 +0000 |
|---|---|---|
| committer | Joseph Myers <jsm28@gcc.gnu.org> | 2011-03-18 23:26:16 +0000 |
| commit | 8bf872f9e802229ec2def801b4b1d53ffc149c35 (patch) | |
| tree | 4c5bb74e8984d1dc6006840491fe25e44dbdb0e8 /gcc/c-decl.c | |
| parent | ff8e21599213bbea6ccacecf2522ad19836c8fd1 (diff) | |
| download | gcc-8bf872f9e802229ec2def801b4b1d53ffc149c35.zip gcc-8bf872f9e802229ec2def801b4b1d53ffc149c35.tar.gz gcc-8bf872f9e802229ec2def801b4b1d53ffc149c35.tar.bz2 | |
c-decl.c (diagnose_mismatched_decls): Give an error for redefining a typedef with variably modified type.
* c-decl.c (diagnose_mismatched_decls): Give an error for
redefining a typedef with variably modified type.
testsuite:
* gcc.dg/c1x-typedef-1.c: Expect errors for redefinitions of
variably modified typedefs.
* gcc.dg/c1x-typedef-2.c: Remove.
From-SVN: r171172
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 8f9c444..4e82f28 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1813,20 +1813,16 @@ diagnose_mismatched_decls (tree newdecl, tree olddecl, || TREE_NO_WARNING (olddecl)) return true; /* Allow OLDDECL to continue in use. */ - if (pedantic && !flag_isoc1x) + if (variably_modified_type_p (newtype, NULL)) { - pedwarn (input_location, OPT_pedantic, - "redefinition of typedef %q+D", newdecl); + error ("redefinition of typedef %q+D with variably modified type", + newdecl); locate_old_decl (olddecl); } - else if (variably_modified_type_p (newtype, NULL)) + else if (pedantic && !flag_isoc1x) { - /* Whether there is a constraint violation for the types not - being the same cannot be determined at compile time; a - warning that there may be one at runtime is considered - appropriate (WG14 reflector message 11743, 8 May 2009). */ - warning (0, "redefinition of typedef %q+D may be a constraint " - "violation at runtime", newdecl); + pedwarn (input_location, OPT_pedantic, + "redefinition of typedef %q+D", newdecl); locate_old_decl (olddecl); } |