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| author | Jason Merrill <jason@redhat.com> | 2009-08-24 17:31:54 -0400 |
|---|---|---|
| committer | Jason Merrill <jason@gcc.gnu.org> | 2009-08-24 17:31:54 -0400 |
| commit | 3146f36f935b0594a4719320e891e2d7524c014c (patch) | |
| tree | 21f3fafc0a9586551eed28be49bc928210769cec /gcc/cp/decl.c | |
| parent | c767899ef26cac6092786591518ff9e5a54dbe04 (diff) | |
| download | gcc-3146f36f935b0594a4719320e891e2d7524c014c.zip gcc-3146f36f935b0594a4719320e891e2d7524c014c.tar.gz gcc-3146f36f935b0594a4719320e891e2d7524c014c.tar.bz2 | |
re PR c++/41109 (Argument flagged as unused despite use in sizeof())
PR c++/41109
PR c++/41110
PR c++/41134
* cp-tree.h (DECL_ODR_USED): New macro.
(struct lang_decl_base): Add odr_used flag.
* decl.c (duplicate_decls): Propagate it. Use it for error.
* pt.c (register_specialization): Use it for error.
* decl2.c (mark_used): Use it as gating flag rather than TREE_USED.
(cp_write_global_declarations): Use it for error.
(tree_used_ok): Remove.
* cp-tree.h: Remove tree_used_ok.
* call.c (build_call_a): Don't call it.
* init.c (build_offset_ref): Likewise.
From-SVN: r151061
Diffstat (limited to 'gcc/cp/decl.c')
| -rw-r--r-- | gcc/cp/decl.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 0746b82..cad0fc5 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -1890,6 +1890,7 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend) } DECL_TEMPLATE_INSTANTIATED (newdecl) |= DECL_TEMPLATE_INSTANTIATED (olddecl); + DECL_ODR_USED (newdecl) |= DECL_ODR_USED (olddecl); /* If the OLDDECL is an instantiation and/or specialization, then the NEWDECL must be too. But, it may not yet be marked @@ -1955,7 +1956,7 @@ duplicate_decls (tree newdecl, tree olddecl, bool newdecl_is_friend) should have exited above, returning 0. */ gcc_assert (DECL_TEMPLATE_SPECIALIZATION (newdecl)); - if (TREE_USED (olddecl)) + if (DECL_ODR_USED (olddecl)) /* From [temp.expl.spec]: If a template, a member template or the member of a class |