From 6d6195424d5caf0f2453b9b97dab3d7f49cd4998 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Sat, 16 Mar 2019 00:23:18 -0400
Subject: [PATCH] add regression test for invalid multiple dereferences

closes #1042
---
 test/compile_errors.zig | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/test/compile_errors.zig b/test/compile_errors.zig
index 2ab5824de5..f0c5b6a450 100644
--- a/test/compile_errors.zig
+++ b/test/compile_errors.zig
@@ -2,6 +2,25 @@ const tests = @import("tests.zig");
 const builtin = @import("builtin");
 
 pub fn addCases(cases: *tests.CompileErrorContext) void {
+    cases.add(
+        "invalid multiple dereferences",
+        \\export fn a() void {
+        \\    var box = Box{ .field = 0 };
+        \\    box.*.field = 1;
+        \\}
+        \\export fn b() void {
+        \\    var box = Box{ .field = 0 };
+        \\    var boxPtr = &box;
+        \\    boxPtr.*.*.field = 1;
+        \\}
+        \\pub const Box = struct {
+        \\    field: i32,
+        \\};
+    ,
+        "tmp.zig:3:8: error: attempt to dereference non-pointer type 'Box'",
+        "tmp.zig:8:13: error: attempt to dereference non-pointer type 'Box'",
+    );
+
     cases.add(
         "usingnamespace with wrong type",
         \\use void;