diff options
Diffstat (limited to 'gcc/c/c-parser.c')
| -rw-r--r-- | gcc/c/c-parser.c | 54 |
1 files changed, 2 insertions, 52 deletions
diff --git a/gcc/c/c-parser.c b/gcc/c/c-parser.c index b6a7ef4..d49e508 100644 --- a/gcc/c/c-parser.c +++ b/gcc/c/c-parser.c @@ -4977,9 +4977,6 @@ c_parser_std_attribute (c_parser *parser, bool for_tm) static tree c_parser_std_attribute_specifier (c_parser *parser, bool for_tm) { - bool seen_deprecated = false; - bool seen_fallthrough = false; - bool seen_maybe_unused = false; location_t loc = c_parser_peek_token (parser)->location; if (!c_parser_require (parser, CPP_OPEN_SQUARE, "expected %<[%>")) return NULL_TREE; @@ -5005,55 +5002,8 @@ c_parser_std_attribute_specifier (c_parser *parser, bool for_tm) tree attribute = c_parser_std_attribute (parser, for_tm); if (attribute != error_mark_node) { - bool duplicate = false; - tree name = get_attribute_name (attribute); - tree ns = get_attribute_namespace (attribute); - if (ns == NULL_TREE) - { - /* Some standard attributes may appear at most once in - each attribute list. Diagnose duplicates and remove - them from the list to avoid subsequent diagnostics - such as the more general one for multiple - "fallthrough" attributes in the same place (including - in separate attribute lists in the same attribute - specifier sequence, which is not a constraint - violation). */ - if (is_attribute_p ("deprecated", name)) - { - if (seen_deprecated) - { - error ("attribute %<deprecated%> can appear at most " - "once in an attribute-list"); - duplicate = true; - } - seen_deprecated = true; - } - else if (is_attribute_p ("fallthrough", name)) - { - if (seen_fallthrough) - { - error ("attribute %<fallthrough%> can appear at most " - "once in an attribute-list"); - duplicate = true; - } - seen_fallthrough = true; - } - else if (is_attribute_p ("maybe_unused", name)) - { - if (seen_maybe_unused) - { - error ("attribute %<maybe_unused%> can appear at most " - "once in an attribute-list"); - duplicate = true; - } - seen_maybe_unused = true; - } - } - if (!duplicate) - { - TREE_CHAIN (attribute) = attributes; - attributes = attribute; - } + TREE_CHAIN (attribute) = attributes; + attributes = attribute; } if (c_parser_next_token_is_not (parser, CPP_COMMA)) break; |