diff options
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 6c65b27..f8be06b 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -6718,6 +6718,17 @@ detect_field_duplicates (tree fieldlist) tree x, y; int timeout = 10; + /* If the struct is the list of instance variables of an Objective-C + class, then we need to add all the instance variables of + superclasses before checking for duplicates (since you can't have + an instance variable in a subclass with the same name as an + instance variable in a superclass). objc_get_interface_ivars() + leaves fieldlist unchanged if we are not in this case, so in that + case nothing changes compared to C. + */ + if (c_dialect_objc ()) + fieldlist = objc_get_interface_ivars (fieldlist); + /* First, see if there are more than "a few" fields. This is trivially true if there are zero or one fields. */ if (!fieldlist) |