ee1c2a100a
libcpp PR preprocessor/28227: * directives.c (lex_macro_node): Added 'is_def_or_undef' argument. (do_define): Update. (do_undef): Update. (do_ifdef): Update. (do_ifndef): Update. gcc/testsuite PR preprocessor/28227: * gcc.dg/cpp/pr28227.c: New file. From-SVN: r120731