* [spv-in] Change shadow.spv test input to use StorageBuffer.
The ecosystem around Naga will generally not be able to use Vulkan adapters that
don't support the SPV_KHR_storage_buffer_storage_class (which was incorporated
into SPIR-V 1.3), so we can assume it is present.
Changing the test not to use runtime-sized arrays in the Uniform storage class
will allow Naga to tighten up some validation checks.
* [spv-in] Permit pointers to runtime arrays only in StorageBuffer.
Fixes#1519.
The GLSL empty-global-name.frag test doesn't suffice because the GLSL front end
doesn't produce the same IR as the SPIR-V included in the bug report. As far as
I know, only a genuine SPIR-V input test can produce a global whose name is
`Some("")`.
Include the SPIR-V assembly source.
The original pointer access test used SPIR-V for its input because WGSL didn't
have a working pointer indirection operator at the time. Now that it does, we
can just write this test in WGSL directly.
Fixes#1432.
Hlsl and wgsl don't support them directly so a polyfill is used taken
from the msl spec.
`asinh` = `log(x + sqrt(x * x + 1.0))`
`acosh` = `log(x + sqrt(x * x - 1.0))`
`atanh` = `0.5 * log((1.0 + x) / (1.0 – x))`
