[all-commits] [llvm/llvm-project] 8f66f2: [RDA] Avoid negative shift UB

[Nikita Popov via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 8f66f25f52f9b4089d216a33283acdb87ea3c250
      https://github.com/llvm/llvm-project/commit/8f66f25f52f9b4089d216a33283acdb87ea3c250
  Author: Nikita Popov <nikita.ppv at gmail.com>
  Date:   2020-04-09 (Thu, 09 Apr 2020)

  Changed paths:
    M llvm/include/llvm/CodeGen/ReachingDefAnalysis.h

  Log Message:
  -----------
  [RDA] Avoid negative shift UB

Avoid "left shift of negative value -1" ubsan errors by casting
to uintptr_t before performing the shift, rather than after.