llvm

2e27610b - Revert "Remove the optional bitcast between a musttail call and its ret" (#201479)

Revert "Remove the optional bitcast between a musttail call and its ret" (#201479) This reverts https://github.com/llvm/llvm-project/pull/201280 This broke MSan on the buildbots: https://lab.llvm.org/buildbot/#/builders/169/builds/23291/steps/10/logs/stdio This is the only change in the batch that touched BitcodeReader