Sema: skip decl causing namespace lookup when doing lookup

1 files changed, 23 insertions, 0 deletions

diff --git a/test/behavior/basic.zig b/test/behavior/basic.zig
index a69df862c1..ac9d90d5e6 100644
--- a/test/behavior/basic.zig
+++ b/test/behavior/basic.zig
@@ -1086,3 +1086,26 @@ test "inline call of function with a switch inside the return statement" {
     };
     try expect(S.foo(1) == 1);
 }
+
+test "namespace lookup ignores decl causing the lookup" {
+    if (builtin.zig_backend == .stage1) return error.SkipZigTest;
+    if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
+    if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
+
+    const S = struct {
+        fn Mixin(comptime T: type) type {
+            return struct {
+                fn foo() void {
+                    const set = std.EnumSet(T.E).init(undefined);
+                    _ = set;
+                }
+            };
+        }
+
+        const E = enum { a, b };
+        usingnamespace Mixin(@This());
+    };
+    _ = S.foo();
+}