7845730ca Bump revision to 4, for SPIR-V 1.5.
05836bdba Add SPV_EXT_shader_image_int64 (#170)
be32cb6c8 Added SPV_KHR_fragment_shading_rate (#172)
c43a43c7c  Register the Xenia emulator as a generator (#171)
d4e76fb32 Register the Messiah SPIR-V CodeGen (#169)
060627f0b Register the ANGLE compiler (#168)
03a842f95 Rebuild of latest headers, which slightly moves OpTerminateInvocation
3fdabd0da Reserve SPIR-V token range for upcoming Intel extensions. (#165)
5538bf438 Update BUILD.bazel and BUILD.gn (#166)
96013f32b Publish the headers for the clspv embedded reflection non-semantic extended instruction set (#164)
76afa6397 Update the registry in spir-v.xml to modernize and split out opcodes. (#156)

git-subtree-dir: third_party/SPIRV-Headers
git-subtree-split: 7845730cab6ebbdeb621e7349b7dc1a59c3377be