https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120900
--- Comment #11 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to H.J. Lu from comment #10) > This makes C similar to C++: > > diff --git a/gcc/c/c-decl.cc b/gcc/c/c-decl.cc > index 8bbd6ebc66a..0da6c65fc6a 100644 > --- a/gcc/c/c-decl.cc > +++ b/gcc/c/c-decl.cc > @@ -5706,8 +5706,17 @@ start_decl (struct c_declarator *declarator, struct > c_declspecs *declspecs, > && !flag_no_common) > DECL_COMMON (decl) = 1; > > + /* Similar to C++, apply any attributes directly to the record or > + union type. */ > + int flags; > + if (TREE_CODE (decl) == TYPE_DECL > + && RECORD_OR_UNION_TYPE_P (TREE_TYPE (decl))) > + flags = ATTR_FLAG_TYPE_IN_PLACE; > + else > + flags = 0; > + > /* Set attributes here so if duplicate decl, will have proper attributes. > */ > - c_decl_attributes (&decl, attributes, 0); > + c_decl_attributes (&decl, attributes, flags); > > /* Handle gnu_inline attribute. */ > if (declspecs->inline_p I got the following regressions with the change above: FAIL: c-c++-common/builtin-has-attribute-7.c -Wc++-compat (test for excess errors) FAIL: gcc.dg/sso-4.c (test for errors, line 18) FAIL: gcc.dg/sso-4.c (test for errors, line 19)
