From ea76e09ea741f0bf090d967cf3aaded59079d001 Mon Sep 17 00:00:00 2001
From: gingerBill <bill@gingerbill.org>
Date: Wed, 21 Jun 2023 14:30:39 +0100
Subject: [PATCH] Fix empty varargs

---
 src/llvm_backend_proc.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index 7cf82b208..47137c540 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -3345,6 +3345,9 @@ gb_internal lbValue lb_build_call_expr_internal(lbProcedure *p, Ast *expr) {
 		for_array(arg_index, pt->params->Tuple.variables) {
 			Entity *e = pt->params->Tuple.variables[arg_index];
 			if (pt->variadic && arg_index == pt->variadic_index) {
+				if (!is_c_vararg && args[arg_index].value == 0) {
+					args[arg_index] = lb_const_nil(p->module, e->type);
+				}
 				continue;
 			}