1 files changed, 18 insertions, 0 deletions
diff --git a/test/cases/safety/memset_array_undefined_bytes.zig b/test/cases/safety/memset_array_undefined_bytes.zig
new file mode 100644
index 0000000000..e0ce2dac04
--- /dev/null
+++ b/test/cases/safety/memset_array_undefined_bytes.zig
@@ -0,0 +1,18 @@
+const std = @import("std");
+
+pub fn panic(message: []const u8, stack_trace: ?*std.builtin.StackTrace, _: ?usize) noreturn {
+    _ = stack_trace;
+    if (std.mem.eql(u8, message, "integer overflow")) {
+        std.process.exit(0);
+    }
+    std.process.exit(1);
+}
+pub fn main() !void {
+    var buffer = [6]u8{ 1, 2, 3, 4, 5, 6 };
+    @memset(&buffer, undefined);
+    var x: u8 = buffer[1];
+    x += buffer[2];
+}
+// run
+// backend=llvm
+// target=native