From e8b57d5e943171add23fc3674a34dbbb93d49046 Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Fri, 15 Feb 2019 19:52:02 -0800
Subject: Handle main with no return

---
 qbe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/qbe.c b/qbe.c
index 670ad83..c6986b4 100644
--- a/qbe.c
+++ b/qbe.c
@@ -1038,7 +1038,7 @@ emitfunc(struct function *f, bool global)
 	size_t n;
 
 	if (!f->end->terminated)
-		funcret(f, NULL);
+		funcret(f, strcmp(f->name, "main") == 0 ? mkintconst(&i32, 0) : NULL);
 	if (global)
 		puts("export");
 	fputs("function ", stdout);
-- 
cgit v1.2.3