[PATCH] D70236: [AST] Use written names instead of `type-param-0-0` in more cases when printing types and decls.

[pre-merge checks [bot] via Phabricator via cfe-commits]

merge_guards_bot added a comment.

Build result: pass - 60015 tests passed, 0 failed and 722 were skipped.
Log files: console-log.txt <http://results.llvm-merge-guard.org/amd64_debian_testing_clang8-83/console-log.txt>, CMakeCache.txt <http://results.llvm-merge-guard.org/amd64_debian_testing_clang8-83/CMakeCache.txt>


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D70236/new/

https://reviews.llvm.org/D70236