[all-commits] [llvm/llvm-project] 0a57d1: [ASTMatchers] Fix parent traversal with InitListExpr

[Stephen Kelly via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 0a57d14abf993331111fbfab15fb918a863aa391
      https://github.com/llvm/llvm-project/commit/0a57d14abf993331111fbfab15fb918a863aa391
  Author: Stephen Kelly <steveire at gmail.com>
  Date:   2020-01-27 (Mon, 27 Jan 2020)

  Changed paths:
    M clang/lib/AST/ParentMapContext.cpp
    M clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp

  Log Message:
  -----------
  [ASTMatchers] Fix parent traversal with InitListExpr

Children of InitListExpr are traversed twice by RAV, so this code
populates a vector to represent the possibly-multiple parents (in
reality in this situation the parent is the same and is therefore
de-duplicated).