[all-commits] [llvm/llvm-project] e782d9: [clang] Fix a nullptr-access crash in CheckTemplat...

[Haojian Wu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e782d9a4a49c8aaf65bea4209cb6a8e7739526ac
      https://github.com/llvm/llvm-project/commit/e782d9a4a49c8aaf65bea4209cb6a8e7739526ac
  Author: Haojian Wu <hokein.wu at gmail.com>
  Date:   2022-09-19 (Mon, 19 Sep 2022)

  Changed paths:
    M clang/lib/Sema/SemaTemplate.cpp
    M clang/test/SemaTemplate/temp_arg_nontype_cxx1z.cpp

  Log Message:
  -----------
  [clang] Fix a nullptr-access crash in CheckTemplateArgument.

It is possible that we can pass a null ParamType to
CheckNonTypeTemplateParameter -- the ParamType var can be reset to a null
type on Line 6940, and the followed bailout if is not entered.

Differential Revision: https://reviews.llvm.org/D134180