Wasm values are stored in memory in little endian order even
on BE machines and as a result they need to be manually reversed
after a load.

Other such atomic ops get patched during Wasm compilation or
during code-gen, this is one of the few places where a runtime call is
made to C++ which requires this fix.

As the the runtime stub is used on both TurboFan and Liftoff this
patch will fix both cases.

Up until now the cctest was passing incorrectly as it's mixing the
Wasm memory buffer with TypedArrays. TypedArrays don't have the
LE enforcement and use the native byte order.

With this patch the test is now failing as expected
and is being skipped for now.

Bug: v8:12505
Change-Id: I49fac208f1fab7396b7d9911e803bc047b3b8263
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3350744Reviewed-by: Andreas Haas <ahaas@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
Cr-Commit-Position: refs/heads/main@{#78433}