[Sparc][LEON] Test for FixFDIVSQRT erratum fix. 

Note: Test is per differential review, but the other changed code in the review was for an optimisation that din't quite work. Nevertheless, the test is valid for the unoptimised version of the fix.

Differential Review: https://reviews.llvm.org/D24658

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@285692 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed