NFC: Fix variable only used in asserts by propagating the value.
NFC: Fix variable only used in asserts by propagating the value.

Summary:
This fixes builds with assertions disabled that would otherwise
fail with unused variable warnings

Subscribers: nemanjai, hiraditya, kbarton, MaskRay, jsji, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D69123

git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@375148 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm,llvm-mirror/llvm