ir/ir.c: fix assert in mkcallarg

1 files changed, 1 insertions, 1 deletions

diff --git a/ir/ir.c b/ir/ir.c
index 30da628..5ffea49 100644
--- a/ir/ir.c
+++ b/ir/ir.c
@@ -189,7 +189,7 @@ union ref
 mkcallarg(union irtype ret, uint narg, int vararg)
 {
    struct call call = { .ret=ret, .narg=narg, .vararg=vararg };
-   assert((long) vararg <= narg);
+   assert(vararg == -1 || (uint)vararg <= narg);
    vpush(&calltab, call);
    return mkref(RXXX, calltab.n-1);
 }