diff options
Diffstat (limited to 'gcc/cpplib.c')
| -rw-r--r-- | gcc/cpplib.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/cpplib.c b/gcc/cpplib.c index f881584..7f2554b 100644 --- a/gcc/cpplib.c +++ b/gcc/cpplib.c @@ -352,7 +352,7 @@ do_define (pfile) if (list->tokens_used == 2 && list->tokens[1].type == CPP_VSPACE) - empty = 0; /* Empty definition of object-like macro. */ + empty = 1; /* Empty definition of object-like macro. */ /* If the next character, with no intervening whitespace, is '(', then this is a function-like macro. Otherwise it is an object- @@ -425,7 +425,8 @@ do_define (pfile) } else { - HASHNODE *hp = _cpp_make_hashnode (sym, len, T_MACRO, hash); + HASHNODE *hp = _cpp_make_hashnode (sym, len, empty ? T_EMPTY : T_MACRO, + hash); hp->value.defn = def; *slot = hp; } @@ -768,7 +769,7 @@ do_undef (pfile) if (CPP_OPTION (pfile, debug_output)) pass_thru_directive (hp->name, len, pfile, T_UNDEF); - if (hp->type != T_MACRO) + if (hp->type != T_MACRO && hp->type != T_EMPTY) cpp_warning (pfile, "undefining `%s'", hp->name); htab_clear_slot (pfile->hashtab, (void **)slot); |