LLVM :: CodeGen/AMDGPU tests fail

[kerberizer]

Since r291545 invalid-opencl-version-metadata{1,2,3}.ll and runtime-metadata.ll tests fail.

The bug is tracked as 31610 on LLVM's Bugzilla. Any help finding the root cause will be greatly appreciated.

[kerberizer]

A patch is in review: https://reviews.llvm.org/D29948

[kerberizer]

https://reviews.llvm.org/D31258

[kerberizer]

r298551 fixes this. Will make one final test before closing it.

[kerberizer]

Confirmed fixed, tests restored by 6dfba4d.