[PATCH] D34263: [preprocessor] When preprocessor option 'SingleFileParseMode' is enabled, parse all directive blocks if the condition uses undefined macros

[Argyrios Kyrtzidis via Phabricator via cfe-commits]

akyrtzi created this revision.

This is useful for being able to parse the preprocessor directive blocks even the header that defined the macro that they check for hasn't been included.


https://reviews.llvm.org/D34263

Files:
  include/clang/Lex/Preprocessor.h
  lib/Lex/PPDirectives.cpp
  lib/Lex/PPExpressions.cpp
  test/Index/singe-file-parse.m

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