[PATCH] D31153: Add the ability to use the children() range API in a const-correct manner

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman created this revision.

We already have children() but not children() const, which is causing some problems for me on an out of tree project. Most of the changes here are mechanical, except for the work done to `ConstStmtIterator`, which cheats and uses a `const_cast`. Since none of these are *actually* const, this should not trigger UB.


https://reviews.llvm.org/D31153

Files:
  include/clang/AST/Expr.h
  include/clang/AST/StmtIterator.h

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