[all-commits] [llvm/llvm-project] ad2016: Fix "pointer is null" static analyzer warnings. NFCI.

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: ad201691d5cc0f15f6f885f3847dcc6440ee3de5
      https://github.com/llvm/llvm-project/commit/ad201691d5cc0f15f6f885f3847dcc6440ee3de5
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2020-01-12 (Sun, 12 Jan 2020)

  Changed paths:
    M clang/lib/StaticAnalyzer/Checkers/CStringChecker.cpp

  Log Message:
  -----------
  Fix "pointer is null" static analyzer warnings. NFCI.

Use cast<> instead of dyn_cast<> and move into its users where its dereferenced immediately.