[clang-tools-extra] [llvm] [llvm] add tool to verify mustache library (PR #111487)

[Nikita Popov via llvm-commits]

================
@@ -0,0 +1,104 @@
+//===- llvm-mustachespec.cpp - The LLVM Modular Optimizer
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Simple drivers to test the mustache spec found here
+// https://github.com/mustache/
+// It is used to verify that the current implementation conforms to the spec
+// simply download the spec and pass the test files to the driver
----------------
nikic wrote:

```suggestion
// Simple drivers to test the mustache spec found here:
// https://github.com/mustache/
// It is used to verify that the current implementation conforms to the spec.
// Simply download the spec and pass the test files to the driver.
```

https://github.com/llvm/llvm-project/pull/111487