[PATCH] D16198: [LibCallSimplifier] don't get fooled by a fake sqrt()

[Joerg Sonnenberger via llvm-commits]

On Thu, Jan 14, 2016 at 06:11:00PM +0000, Sanjay Patel via llvm-commits wrote:
> The test case will crash without this patch because the subsequent call
> to hasUnsafeAlgebra() assumes that the call instruction is an
> FPMathOperator (ie, returns an FP type). 

Since this breaks a bunch of configure tests, it has a rather high
impact for testing clang 3.8, so please give this some attention.

Joerg