[PATCH] D121733: Clean pathnames in FileManager.

[Paul Pluzhnikov via Phabricator via cfe-commits]

ppluzhnikov created this revision.
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This reduces visual noise ("./foo.h" -> "foo.h") in error messages.

Fix all tests which fail as a result.

This also fixes a class of failures when __FILE__ is used in modules, and
the module specifies 'textual header "foo.h"' but Clang has "./foo.h"
included elsewhere.

Finally this should fix Windows failure from https://reviews.llvm.org/D121658


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121733

Files:
  clang/bindings/python/tests/cindex/test_translation_unit.py
  clang/lib/Basic/FileManager.cpp
  clang/test/Frontend/dependency-gen.c
  clang/test/Index/skip-parsed-bodies/compile_commands.json
  clang/test/Modules/filename.cpp
  clang/unittests/Lex/HeaderSearchTest.cpp
  clang/unittests/Tooling/Syntax/TokensTest.cpp
  clang/unittests/Tooling/TransformerTest.cpp

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