Summary:
The crash occurs when the first token after a preamble is a macro
expansion.
Fixed by moving replayPreambleConditionalStack from Parser into
Preprocessor. It is now called right after the predefines file is
processed.
Reviewers: erikjv, bkramer, klimek, yvvan
Reviewed By: bkramer
Subscribers: cfe-commits
Differential Revision: https://reviews.llvm.org/D36872
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@311330 91177308-0d34-0410-b5e6-96231b3b80d8
Ilya Biryukov