qbe

commit 5cea0c20ee3573949a2c24e4b3dea65fcbf6e48b
parent 70f297bab7ae5d7291040b0305281a5fa8289f80
Author: Quentin Carbonneaux <quentin@c9x.me>
Date:   Fri,  2 Sep 2022 12:48:10 +0200

flag bad vastart uses

Diffstat:
M
parse.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/parse.c b/parse.c
@@ -671,6 +671,8 @@ DoOp:
 		op = Oload;
 	if (op == Talloc1 || op == Talloc2)
 		op = Oalloc;
+	if (op == Ovastart && !curf->vararg)
+		err("cannot use vastart in non-variadic function");
 	if (k >= Ksb)
 		err("size class must be w, l, s, or d");
 	if (op >= NPubOp)