Merge pull request #1827 from alan-baker/update-spirv-tools

Test/baseResults/spv.16bitstorage-int.frag.out

 spv.16bitstorage-int.frag
+Validation failed
 // Module Version 10000
 // Generated by (magic number): 80007
 // Id's are bound by 172

Test/baseResults/spv.16bitstorage-uint.frag.out

 spv.16bitstorage-uint.frag
+Validation failed
 // Module Version 10000
 // Generated by (magic number): 80007
 // Id's are bound by 173

Test/baseResults/spv.16bitstorage.frag.out

 spv.16bitstorage.frag
+Validation failed
 // Module Version 10000
 // Generated by (magic number): 80007
 // Id's are bound by 172

Test/baseResults/spv.8bitstorage-int.frag.out

 spv.8bitstorage-int.frag
+Validation failed
 // Module Version 10000
 // Generated by (magic number): 80007
 // Id's are bound by 172

Test/baseResults/spv.8bitstorage-uint.frag.out

 spv.8bitstorage-uint.frag
+Validation failed
 // Module Version 10000
 // Generated by (magic number): 80007
 // Id's are bound by 173

Test/baseResults/spv.bufferhandle11.frag.out

@@ -2,6 +2,7 @@ spv.bufferhandle11.frag
 WARNING: 0:6: '' : all default precisions are highp; use precision statements to quiet warning, e.g.:
          "precision mediump int; precision highp float;" 
 
+Validation failed
 // Module Version 10000
 // Generated by (magic number): 80007
 // Id's are bound by 60

known_good.json

@@ -5,7 +5,7 @@
       "site" : "github",
       "subrepo" : "KhronosGroup/SPIRV-Tools",
       "subdir" : "External/spirv-tools",
-      "commit" : "b4bf7bcf0ad3a7eb6857e8d6d594e23f1be6f27a"
+      "commit" : "456cc598afb6d7c264f20cd3a183d85e369bed9a"
     },
     {
       "name" : "spirv-tools/external/spirv-headers",