Roll third_party/swiftshader/ 8f075627d..314508f78 (15 commits)

https://swiftshader.googlesource.com/SwiftShader/+log/8f075627d16b..314508f788b2

$ git log 8f075627d..314508f78 --date=short --no-merges --format='%ad %ae %s'
2021-07-01 capn Work around MemorySanitizer false-positive
2021-06-28 cwallez Increase max workgroup size for WebGPU
2021-06-30 capn Disable the legacy OpenGL ES targets for Android
2021-06-29 capn Fix Android Vulkan build
2021-06-16 capn Implement Pragma() for Reactor MemorySanitizer instrumentation
2021-06-25 cwallez Increase limits to support base WebGPU.
2021-06-25 bclayton SpirvShader: Consider OpEntryPoint interface IDs
2021-06-10 capn Determine MSan instrumentation for Reactor at run-time
2021-06-20 stha09 GCC: readd visibility attributes for EGL/GLESv2
2021-06-25 capn Fix -warn-stack-size command line option for LLVM 12
2021-02-09 sugoi Only perform LOD computation when it is necessary
2021-06-28 swiftshader.regress Regres: Update test lists @ e4fea30b
2021-06-23 pkasting Fix -Wloop-analysis warnings in llvm-subzero.
2021-06-17 capn Enable the -Wdeprecated-copy compiler warning
2021-06-17 capn Prevent changing Reference<> address

Created with:
  roll-dep third_party/swiftshader

TBR=enga@chromium.org
Bug: dawn:796

Change-Id: Ieace99379c7fc2141bb587f973d77b48f37cfec2
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/56740
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>

DEPS

@@ -122,7 +122,7 @@ deps = {
   },
 
   'third_party/swiftshader': {
-    'url': '{swiftshader_git}/SwiftShader@8f075627d16bdd2a8d861e9d81df541f5cf68e2e',
+    'url': '{swiftshader_git}/SwiftShader@314508f788b26560503ef4bcc8693c6b01fc8abf',
     'condition': 'dawn_standalone',
   },