[PATCH] D34985: Do not read the file to determine its name.

[Vassil Vassilev via Phabricator via cfe-commits]

v.g.vassilev added a comment.

The test case could be shared from PR33688:

  echo 'void* func(char* p)   __attribute__((annotate("blah"))); void*
  func(char* p){return p;}' > HEADER.h
  
     clang++ -std=c++14 -x c++-header -o HEADER.h.pch HEADER.h
     chmod a-r HEADER.h
     echo 'char i; void* ptr = func(&i);' | clang++ -v -std=c++14 -Xclang
  -fno-validate-pch -include-pch HEADER.h.pch -c -Xclang -emit-llvm -o -
  -x c++ -


Repository:
  rL LLVM

https://reviews.llvm.org/D34985



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