[X86][SSE] Add reduced crash test case for r336113 - [X86][SSE] Blend any...

[X86][SSE] Add reduced crash test case for r336113 - [X86][SSE] Blend any v8i16/v4i32 shift with 2 shift unique values

The patch was reverted at r336189 due to crashes

llvm-svn: 336247