This code was dead because we AI->replaceUsesWithIf above. I verified this doesn't actually get run by applying https://gist.github.com/fmayer/aea7cbb4700cfe2c9d932591ae1073c3 to the Android toolchain and building AOSP, without any crash. Reviewed By: eugenis Differential Revision: https://reviews.llvm.org/D119802