[all-commits] [llvm/llvm-project] 55488b: CGExpr - EmitMatrixSubscriptExpr - fix getAs<> nul...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 55488bd3cd1a468941e26ad4cf94f2bad887fc02
      https://github.com/llvm/llvm-project/commit/55488bd3cd1a468941e26ad4cf94f2bad887fc02
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2021-01-05 (Tue, 05 Jan 2021)

  Changed paths:
    M clang/lib/CodeGen/CGExpr.cpp

  Log Message:
  -----------
  CGExpr - EmitMatrixSubscriptExpr - fix getAs<> null-dereference static analyzer warning. NFCI.

getAs<> can return null if the cast is invalid, which can lead to null pointer deferences. Use castAs<> instead which will assert that the cast is valid.