…up#3694)

`TransformationAddDeadBlock` did not check whether the existing block
(that will become a selection header) dominates its successor block (that
will become its merge block).

This change adds the check.

Fixes KhronosGroup#3690.

Roll third_party/glslang/ f257e0e..983698b (2 commits)

KhronosGroup/glslang@f257e0e...983698b

$ git log f257e0e..983698b --date=short --no-merges --format='%ad %ae %s'
2020-08-23 john Revert "Merge pull request KhronosGroup#2371 from RafaelMarinheiro/master"
2020-08-21 julius.ikkala Obey ENABLE_PCH CMake option

Created with:
  roll-dep third_party/glslang

Roll third_party/googletest/ adeef1929..1e315c5b1 (14 commits)

google/googletest@adeef19...1e315c5

$ git log adeef1929..1e315c5b1 --date=short --no-merges --format='%ad %ae %s'
2020-08-20 absl-team Googletest export
2020-08-17 absl-team Googletest export
2020-08-12 robert.earhart Export LICENSE
2020-08-03 amatanhead Remove ThrowsMessageHasSubstr and fix some nits after review
2020-07-13 amatanhead Cleanup a bulky expression, document implementation details
2020-07-07 amatanhead Fix build under msvc
2020-07-07 amatanhead Update tests after changing an error message
2020-07-07 amatanhead Fix build under msvc
2020-07-07 amatanhead Add a test to ensure that the `Throws` matcher only invokes its argument once.
2020-07-07 amatanhead Add a test for duplicate catch clauses in throw matchers, fix a couple of nitpicks.
2020-07-03 amatanhead Add missing documentation piece
2020-06-20 amatanhead Small improvements: code style and property name
2020-06-20 amatanhead Add matchers for testing exception properties
2018-05-01 lantw44 Avoid using environ on FreeBSD

Created with:
  roll-dep third_party/googletest

Roll third_party/spirv-cross/ 4c7944bb4..685f86471 (6 commits)

KhronosGroup/SPIRV-Cross@4c7944b...685f864

$ git log 4c7944bb4..685f86471 --date=short --no-merges --format='%ad %ae %s'
2020-08-24 post Run format_all.sh.
2020-08-24 post Work around annoying warning on GCC 10.2.
2020-08-21 post Overhaul how we deal with reserved identifiers.
2020-08-20 post HLSL: Fix FragCoord.w.
2020-08-20 post HLSL: Deal with partially filled 16-byte word in cbuffers.
2020-08-20 post HLSL: Fix bug in is_packing_standard for cbuffer.

Created with:
  roll-dep third_party/spirv-cross

Roll third_party/spirv-tools/ b8de4f5..4dd1223 (9 commits)

KhronosGroup/SPIRV-Tools@b8de4f5...4dd1223

$ git log b8de4f5..4dd1223 --date=short --no-merges --format='%ad %ae %s'
2020-08-21 andreperezmaselco.developer spirv-fuzz: Add words instead of logical operands (KhronosGroup#3728)
2020-08-20 dnovillo CCP should mark IR changed if it created new constants. (KhronosGroup#3732)
2020-08-19 antonikarp spirv-fuzz: add FuzzerPassAddCompositeInserts (KhronosGroup#3606)
2020-08-19 antonikarp spirv-fuzz: Support pointer types in FuzzerPassAddParameters (KhronosGroup#3627)
2020-08-18 jaebaek Let ADCE pass check DebugScope (KhronosGroup#3703)
2020-08-18 andreperezmaselco.developer spirv-opt: Implement opt::Function::HasEarlyReturn function (KhronosGroup#3711)
2020-08-17 andreperezmaselco.developer spirv-fuzz: Check termination instructions when donating modules (KhronosGroup#3710)
2020-08-17 jackoalan Fix -Wrange-loop-analysis warning (KhronosGroup#3712)
2020-08-17 andreperezmaselco.developer spirv-fuzz: Check header dominance when adding dead block (KhronosGroup#3694)

Created with:
  roll-dep third_party/spirv-tools