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authorJason Merrill <jason@redhat.com>2012-11-09 11:14:37 -0500
committerJason Merrill <jason@gcc.gnu.org>2012-11-09 11:14:37 -0500
commit7dbb85a7932149aa5bac38fd77424b15c0248990 (patch)
treeaf7983d092e390f212209b62a57e8d2eac7d8be6 /gcc/cp/decl.c
parent52dccf7ac9926edabb9574d6440314938a33c143 (diff)
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Add C++ attribute abi_tag and -Wabi-tag option.
gcc/ * attribs.c (lookup_attribute_spec): Handle getting a TREE_LIST. gcc/c-family/ * c.opt (Wabi-tag): New. gcc/cp/ * tree.c (cxx_attribute_table): Add abi_tag attribute. (check_abi_tag_redeclaration, handle_abi_tag_attribute): New. * class.c (find_abi_tags_r, check_abi_tags): New. (check_bases, check_field_decl): Call check_abi_tags. * decl.c (redeclaration_error_message): Call check_abi_tag_redeclaration. * mangle.c (tree_string_cmp, write_abi_tags): New. (write_unqualified_name): Call write_abi_tags. include/ * demangle.h (enum demangle_component_type): Add DEMANGLE_COMPONENT_TAGGED_NAME. libiberty/ * cp-demangle.c (d_dump): Handle DEMANGLE_COMPONENT_TAGGED_NAME. (d_make_comp, d_find_pack, d_print_comp): Likewise. (d_abi_tags): New. (d_name): Call it. From-SVN: r193367
Diffstat (limited to 'gcc/cp/decl.c')
-rw-r--r--gcc/cp/decl.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index f8f9d4f..f85901f 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -2480,6 +2480,10 @@ redeclaration_error_message (tree newdecl, tree olddecl)
}
}
+ check_abi_tag_redeclaration
+ (olddecl, lookup_attribute ("abi_tag", DECL_ATTRIBUTES (olddecl)),
+ lookup_attribute ("abi_tag", DECL_ATTRIBUTES (newdecl)));
+
return NULL;
}
else if (TREE_CODE (newdecl) == TEMPLATE_DECL)