preproc: BR 2222615: fix segfault on bogus %ifmacro

BR 2222615: Fix segmentation fault on %ifmacro without an argument.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/preproc.c b/preproc.c
index e5b5ab3..c899828 100644 (file)
--- a/preproc.c
+++ b/preproc.c
@@ -1584,7 +1584,6 @@ static bool if_condition(Token * tline, enum preproc_token ct)
             bool found = false;
             MMacro searching, *mmac;
 
-            tline = tline->next;
             skip_white_(tline);
             tline = expand_id(tline);
             if (!tok_type_(tline, TOK_ID)) {