2 files changed, 43 insertions, 0 deletions
diff --git a/test/behavior.zig b/test/behavior.zig
index 7efe687c75..03d15645fa 100644
--- a/test/behavior.zig
+++ b/test/behavior.zig
@@ -62,6 +62,7 @@ test {
     _ = @import("behavior/bugs/11100.zig");
     _ = @import("behavior/bugs/10970.zig");
     _ = @import("behavior/bugs/11046.zig");
+    _ = @import("behavior/bugs/11165.zig");
     _ = @import("behavior/call.zig");
     _ = @import("behavior/cast.zig");
     _ = @import("behavior/comptime_memory.zig");
diff --git a/test/behavior/bugs/11165.zig b/test/behavior/bugs/11165.zig
new file mode 100644
index 0000000000..d253c17b67
--- /dev/null
+++ b/test/behavior/bugs/11165.zig
@@ -0,0 +1,42 @@
+const builtin = @import("builtin");
+
+test "bytes" {
+    const S = struct {
+        a: u32,
+        c: [5]u8,
+    };
+
+    const U = union {
+        s: S,
+    };
+
+    const s_1 = S{
+        .a = undefined,
+        .c = "12345".*, // this caused problems
+    };
+    _ = s_1;
+
+    const u_2 = U{ .s = s_1 };
+    _ = u_2;
+}
+
+test "aggregate" {
+    const S = struct {
+        a: u32,
+        c: [5]u8,
+    };
+
+    const U = union {
+        s: S,
+    };
+
+    const c = [5:0]u8{ 1, 2, 3, 4, 5 };
+    const s_1 = S{
+        .a = undefined,
+        .c = c, // this caused problems
+    };
+    _ = s_1;
+
+    const u_2 = U{ .s = s_1 };
+    _ = u_2;
+}