It's not valid for an explicit template specialization to declare a storage class (`static`). GCC correctly catches this, while Clang is too relaxed.
Use C++17's 'inline' instead. The alternative is to push the initializers and values into the cpp file.
This breakage was introduced in: https://dawn-review.googlesource.com/c/dawn/+/93604
Bug: dawn:1451
Change-Id: Ib3e61d233e16fd7828f8a2ae0909eedbd24ee52e
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/94320
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Ben Clayton <bclayton@google.com>