Roll third_party/glslang/ 9db7278..f9d08a2 (6 commits)

KhronosGroup/glslang@9db7278...f9d08a2

$ git log 9db7278..f9d08a2 --date=short --no-merges --format='%ad %ae %s'
2019-06-18 cepheus Bump revision.
2019-06-17 cepheus AST/SPV: Fix KhronosGroup#930: translate uvec4 <-> uint64 for SubgroupGeMask et. al.
2019-06-18 cepheus Bump revision.
2019-06-17 cepheus SPV: Add a switch for favoring non-NaN operands in min, max, and clamp.
2019-06-17 cepheus Bump revision.
2019-02-17 jbolz Add Float16/Int8/Int16 capabilities for private variables and function parameters

Roll third_party/googletest/ 176eccfb8..ee32b72e1 (12 commits)

google/googletest@176eccf...ee32b72

$ git log 176eccfb8..ee32b72e1 --date=short --no-merges --format='%ad %ae %s'
2019-06-18 misterg Googletest export
2019-06-17 misterg Googletest export
2019-06-17 misterg Fixing CI break by going to bazel 0.26.1
2019-06-17 misterg Revert "testing, explicitly specify compiler"
2019-06-17 absl-team Googletest export
2019-06-17 misterg Googletest export
2019-06-17 misterg revert travis.yml, irrelevant
2019-06-17 misterg bazel 0.26.1
2019-06-17 misterg bazel 0.26.1
2019-06-17 misterg testing with bazel 0.26.1
2019-06-17 misterg testing with bazel 0.26.1
2019-06-17 misterg testing, explicitly specify compiler

Roll third_party/spirv-cross/ 146dc453b..05ea05509 (2 commits)

KhronosGroup/SPIRV-Cross@146dc45...05ea055

$ git log 146dc453b..05ea05509 --date=short --no-merges --format='%ad %ae %s'
2019-06-18 post Make sure args.msl22 is set in test_shaders.py.
2019-06-18 post MSL: Fix path check in test_shaders.py.

Roll third_party/spirv-tools/ 59983a6..001e823 (5 commits)

KhronosGroup/SPIRV-Tools@59983a6...001e823

$ git log 59983a6..001e823 --date=short --no-merges --format='%ad %ae %s'
2019-06-18 afdx Add fuzzer pass to obfuscate constants. (KhronosGroup#2671)
2019-06-17 33432579+alan-baker Handle volatile memory semantics in upgrade (KhronosGroup#2674)
2019-06-17 33432579+alan-baker Validate Volatile memory semantics bit (KhronosGroup#2672)
2019-06-17 33432579+alan-baker Disallow stores to UBOs (KhronosGroup#2651)
2019-06-17 dneto Another fix uint -> uint32_t (KhronosGroup#2676)

Created with:
  roll-dep third_party/effcee third_party/glslang third_party/googletest third_party/re2 third_party/spirv-cross third_party/spirv-headers third_party/spirv-tools