From ebde525ccee41a8eefbb868cf4df756f1a937dd2 Mon Sep 17 00:00:00 2001
From: Bogdan Romanyuk <65823030+wrongnull@users.noreply.github.com>
Date: Mon, 16 Oct 2023 04:30:39 +0300
Subject: Sema: fix `@extern` error on function pointer

---
 test/cases/compile_errors/invalid_type_in_builtin_extern.zig | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'test/cases/compile_errors')

diff --git a/test/cases/compile_errors/invalid_type_in_builtin_extern.zig b/test/cases/compile_errors/invalid_type_in_builtin_extern.zig
index 882febbb73..b082c4cb3f 100644
--- a/test/cases/compile_errors/invalid_type_in_builtin_extern.zig
+++ b/test/cases/compile_errors/invalid_type_in_builtin_extern.zig
@@ -1,7 +1,11 @@
 const x = @extern(*comptime_int, .{ .name = "foo" });
+const y = @extern(*fn (u8) u8, .{ .name = "bar" });
 pub export fn entry() void {
     _ = x;
 }
+pub export fn entry2() void {
+    _ = y;
+}
 
 // error
 // backend=stage2
@@ -9,3 +13,6 @@ pub export fn entry() void {
 //
 // :1:19: error: extern symbol cannot have type '*comptime_int'
 // :1:19: note: pointer to comptime-only type 'comptime_int'
+// :2:19: error: extern symbol cannot have type '*fn (u8) u8'
+// :2:19: note: pointer to extern function must be 'const'
+// :2:19: note: extern function must specify calling convention
-- 
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