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-rw-r--r--util/romcc/romcc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/util/romcc/romcc.c b/util/romcc/romcc.c
index 2fa400af2b..62fe758ef6 100644
--- a/util/romcc/romcc.c
+++ b/util/romcc/romcc.c
@@ -4580,6 +4580,9 @@ static void expand_macro(struct compile_state *state,
flen = fmacro.pos - fstart;
switch(tk->tok) {
case TOK_IDENT:
+ if (macro->argc < 0) {
+ break;
+ }
for(i = 0; i < macro->argc; i++) {
if (argv[i].ident == tk->ident) {
break;