diff options
Diffstat (limited to 'gcc/c-parse.in')
| -rw-r--r-- | gcc/c-parse.in | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/c-parse.in b/gcc/c-parse.in index 5b32768..a51161c 100644 --- a/gcc/c-parse.in +++ b/gcc/c-parse.in @@ -1397,7 +1397,11 @@ structsp: { $$ = finish_enum ($<ttype>3, nreverse ($4), chainon ($1, $7)); } | enum_head identifier - { $$ = xref_tag (ENUMERAL_TYPE, $2); } + { $$ = xref_tag (ENUMERAL_TYPE, $2); + /* In ISO C, enumerated types can be referred to + only if already defined. */ + if (pedantic && !COMPLETE_TYPE_P ($$)) + pedwarn ("ISO C forbids forward references to `enum' types"); } ; maybecomma: @@ -1534,8 +1538,10 @@ enumerator: ; typename: - typed_typespecs absdcl - { $$ = build_tree_list ($1, $2); } + typed_typespecs + { pending_xref_error (); } + absdcl + { $$ = build_tree_list ($1, $3); } | nonempty_type_quals absdcl { $$ = build_tree_list ($1, $2); } ; |