1 files changed, 15 insertions, 0 deletions
diff --git a/test/behavior/basic.zig b/test/behavior/basic.zig
index b82bfab99e..5a7bb0e8e2 100644
--- a/test/behavior/basic.zig
+++ b/test/behavior/basic.zig
@@ -387,6 +387,7 @@ fn hereIsAnOpaqueType(ptr: *OpaqueA) *OpaqueA {
 }
 
 test "take address of parameter" {
+    if (builtin.zig_backend == .stage2_x86_64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest;
     if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
@@ -1143,3 +1144,17 @@ test "orelse coercion as function argument" {
     var foo = Container.init(optional orelse .{});
     try expect(foo.a.?.start == -1);
 }
+
+test "runtime-known globals initialized with undefined" {
+    const S = struct {
+        var array: [10]u32 = [_]u32{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
+        var vp: [*]u32 = undefined;
+        var s: []u32 = undefined;
+    };
+
+    S.vp = &S.array;
+    S.s = S.vp[0..5];
+
+    try expect(S.s[0] == 1);
+    try expect(S.s[4] == 5);
+}