From 9dec3108260638dd81dd5110bcf87d58f6834d25 Mon Sep 17 00:00:00 2001
From: Joran Dirk Greef <joran@ronomon.com>
Date: Mon, 2 Nov 2020 09:52:33 +0200
Subject: [PATCH] Debug unhandled errno

---
 lib/std/os/linux/test.zig | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/std/os/linux/test.zig b/lib/std/os/linux/test.zig
index 24c96cdd70..e57ef3a6e4 100644
--- a/lib/std/os/linux/test.zig
+++ b/lib/std/os/linux/test.zig
@@ -24,7 +24,10 @@ test "fallocate" {
         0 => {},
         linux.ENOSYS => return error.SkipZigTest,
         linux.EOPNOTSUPP => return error.SkipZigTest,
-        else => unreachable,
+        else |errno| => {
+            std.debug.print("Unhandled Errno:" errno);
+            return error.SkipZigTest;
+        },
     }
 
     expect((try file.stat()).size == len);