Reviewed By: ldionne, #libc, huixie90 Spies: huixie90, libcxx-commits, mgorny Differential Revision: https://reviews.llvm.org/D131898
Breaks ubsan tests https://lab.llvm.org/buildbot/#/builders/85/builds/11131 This reverts commit 099384dcea49f5f4b0dc7e615c9845bf9baad4bc.