diff options
Diffstat (limited to 'gcc/cp/cp-tree.h')
| -rw-r--r-- | gcc/cp/cp-tree.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index 3cf4a76..d663d6e 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -2514,12 +2514,16 @@ struct GTY(()) lang_type { tree key_method; tree decl_list; tree befriending_classes; - /* In a RECORD_TYPE, information specific to Objective-C++, such - as a list of adopted protocols or a pointer to a corresponding - @interface. See objc/objc-act.h for details. */ - tree objc_info; /* FIXME reuse another field? */ tree lambda_expr; + union maybe_objc_info { + /* If not c_dialect_objc, this part is not even allocated. */ + char GTY((tag ("0"))) non_objc; + /* In a RECORD_TYPE, information specific to Objective-C, such + as a list of adopted protocols or a pointer to a corresponding + @interface. See objc/objc-act.h for details. */ + tree GTY((tag ("1"))) objc_info; + } GTY ((desc ("c_dialect_objc ()"))) info; }; /* We used to have a variant type for lang_type. Keep the name of the |