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| author | Matt Austern <austern@apple.com> | 2003-12-10 06:34:46 +0000 |
|---|---|---|
| committer | Matt Austern <austern@gcc.gnu.org> | 2003-12-10 06:34:46 +0000 |
| commit | facef326df0c41371da002b8d5e7716346750f17 (patch) | |
| tree | e430472ee9dc43efc31173fbf8f2e7bc2d14a17c /gcc/c-decl.c | |
| parent | 5ec3f5662c13c44e04e4f7e6a79ee050d0ba6884 (diff) | |
| download | gcc-facef326df0c41371da002b8d5e7716346750f17.zip gcc-facef326df0c41371da002b8d5e7716346750f17.tar.gz gcc-facef326df0c41371da002b8d5e7716346750f17.tar.bz2 | |
re PR c/13134 (Visibility attribute is ignored)
PR c/13134
* c--decl.c (duplicate_decls): Copy visibility flag when appropriate.
* cp/decl.c (duplicate_decls): Copy visibility flag when appropriate.
* testsuite/lib/gcc-dg.exp (dg-require-visibility): Define.
* testsuite/lib/target-supports (check_visibility_available): Define.
* testsuite/gcc.dg/visibility-1.c: New test.
* testsuite/gcc.dg/visibility-2.c: Likewise.
* testsuite/gcc.dg/visibility-3.c: Likewise.
* testsuite/gcc.dg/visibility-4.c: Likewise.
* testsuite/gcc.dg/visibility-5.c: Likewise.
* testsuite/gcc.dg/visibility-6.c: Likewise.
* testsuite/g++.dg/ext/visibility-1.C: Likewise.
* testsuite/g++.dg/ext/visibility-2.C: Likewise.
* testsuite/g++.dg/ext/visibility-3.C: Likewise.
* testsuite/g++.dg/ext/visibility-4.C: Likewise.
* testsuite/g++.dg/ext/visibility-5.C: Likewise.
* testsuite/g++.dg/ext/visibility-6.C: Likewise.
From-SVN: r74487
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 16cf655..8fc1f19 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -1335,6 +1335,19 @@ duplicate_decls (tree newdecl, tree olddecl, int different_binding_level, Currently, it can only be defined in the prototype. */ COPY_DECL_ASSEMBLER_NAME (olddecl, newdecl); + /* If either declaration has a nondefault visibility, use it. */ + if (DECL_VISIBILITY (olddecl) != VISIBILITY_DEFAULT) + { + if (DECL_VISIBILITY (newdecl) != VISIBILITY_DEFAULT + && DECL_VISIBILITY (newdecl) != DECL_VISIBILITY (olddecl)) + { + warning ("%J'%D': visibility attribute ignored because it", + newdecl, newdecl); + warning ("%Jconflicts with previous declaration here", olddecl); + } + DECL_VISIBILITY (newdecl) = DECL_VISIBILITY (olddecl); + } + if (TREE_CODE (newdecl) == FUNCTION_DECL) { DECL_STATIC_CONSTRUCTOR(newdecl) |= DECL_STATIC_CONSTRUCTOR(olddecl); |