[PATCH] D55085: Avoid emitting redundant or unusable directories in DIFile metadata entries

[Adrian Prantl via Phabricator via cfe-commits]

aprantl updated this revision to Diff 175982.
aprantl added a comment.

Bugfix for LexicalBlockFiles + testcase updates.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55085/new/

https://reviews.llvm.org/D55085

Files:
  lib/CodeGen/CGDebugInfo.cpp
  test/CodeGen/debug-info-abspath.c
  test/CodeGen/debug-prefix-map.c
  test/Modules/module-debuginfo-prefix.m

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