1 files changed, 12 insertions, 0 deletions
diff --git a/test/compile_errors.zig b/test/compile_errors.zig
index be839f0550..ee3741ee6b 100644
--- a/test/compile_errors.zig
+++ b/test/compile_errors.zig
@@ -2,6 +2,18 @@ const tests = @import("tests.zig");
 
 pub fn addCases(cases: *tests.CompileErrorContext) void {
     cases.add(
+        "reading past end of pointer casted array",
+        \\comptime {
+        \\    const array = "aoeu";
+        \\    const slice = array[2..];
+        \\    const int_ptr = @ptrCast(*const u24, slice.ptr);
+        \\    const deref = int_ptr.*;
+        \\}
+    ,
+        ".tmp_source.zig:5:26: error: attempt to read 3 bytes from [4]u8 at index 2 which is 2 bytes",
+    );
+
+    cases.add(
         "error note for function parameter incompatibility",
         \\fn do_the_thing(func: fn (arg: i32) void) void {}
         \\fn bar(arg: bool) void {}