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author | Jason Merrill <jason@redhat.com> | 2012-11-09 11:14:37 -0500 |
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committer | Jason Merrill <jason@gcc.gnu.org> | 2012-11-09 11:14:37 -0500 |
commit | 7dbb85a7932149aa5bac38fd77424b15c0248990 (patch) | |
tree | af7983d092e390f212209b62a57e8d2eac7d8be6 /gcc/cp/decl.c | |
parent | 52dccf7ac9926edabb9574d6440314938a33c143 (diff) | |
download | gcc-7dbb85a7932149aa5bac38fd77424b15c0248990.zip gcc-7dbb85a7932149aa5bac38fd77424b15c0248990.tar.gz gcc-7dbb85a7932149aa5bac38fd77424b15c0248990.tar.bz2 |
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.c | 4 |
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) |