[all-commits] [llvm/llvm-project] 9f1e81: [ASTImporter] Also import overwritten file buffers

[Raphael Isemann via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 9f1e81f1c0ac40f81e2f398148f09d1852226240
      https://github.com/llvm/llvm-project/commit/9f1e81f1c0ac40f81e2f398148f09d1852226240
  Author: Raphael Isemann <teemperor at gmail.com>
  Date:   2020-04-27 (Mon, 27 Apr 2020)

  Changed paths:
    M clang/lib/AST/ASTImporter.cpp
    M clang/unittests/AST/ASTImporterTest.cpp

  Log Message:
  -----------
  [ASTImporter] Also import overwritten file buffers

Summary:
Overwritten file buffers are at the moment ignored when importing and
instead only the underlying file buffer is imported.

This patch fixes this by not going to the underlying file entry if the file has
an overwritten buffer.

Reviewers: martong, a.sidorin, shafik

Reviewed By: martong, shafik

Subscribers: rnkovacs

Differential Revision: https://reviews.llvm.org/D78086