[all-commits] [llvm/llvm-project] 7793db: [OpenCL] Check for extension string extension lookup

[Fraser Cormack via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 7793db35ca2c1fe63687c0a7140cbec540a9aded
      https://github.com/llvm/llvm-project/commit/7793db35ca2c1fe63687c0a7140cbec540a9aded
  Author: Erik Tomusk <erik at codeplay.com>
  Date:   2020-11-27 (Fri, 27 Nov 2020)

  Changed paths:
    M clang/include/clang/Basic/OpenCLOptions.h

  Log Message:
  -----------
  [OpenCL] Check for extension string extension lookup

Calling any of the OpenCLOptions::is*() functions (except isKnown())
with an unknown extension string results in a seg fault. This patch
checks that the extension exists in the map before attempting to access
it.

Reviewed By: Anastasia

Differential Revision: https://reviews.llvm.org/D90928