[all-commits] [llvm/llvm-project] 234f51: Don't crash if we deserialize a pack expansion typ...

[Richard Smith via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 234f51a65a45b79402996ac6f0abcbb5793814bf
      https://github.com/llvm/llvm-project/commit/234f51a65a45b79402996ac6f0abcbb5793814bf
  Author: Richard Smith <richard at metafoo.co.uk>
  Date:   2020-07-31 (Fri, 31 Jul 2020)

  Changed paths:
    M clang/include/clang/AST/TypeProperties.td
    M clang/lib/AST/ASTImporter.cpp
    M clang/test/PCH/cxx-variadic-templates.cpp
    M clang/test/PCH/cxx-variadic-templates.h
    M clang/test/PCH/cxx1y-lambdas.mm
    M clang/test/PCH/cxx2a-constraints.cpp

  Log Message:
  -----------
  Don't crash if we deserialize a pack expansion type whose pattern
contains no packs.

Fixes a regression from 740a164dec483225cbd02ab6c82199e2747ffacb.