[LLVMbugs] [Bug 20552] New: -frewrite-includes produces files with inconsistent line endings

[bugzilla-daemon at llvm.org]

http://llvm.org/bugs/show_bug.cgi?id=20552

            Bug ID: 20552
           Summary: -frewrite-includes produces files with inconsistent
                    line endings
           Product: clang
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: rnk at google.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified

It's really easy to get into this situation on Windows if you have a project
that uses Unix style line endings that includes Windows system headers.  Those
headers will have DOS line endings, and simply concatenating the text from two
headers will result in a mixed file.  Making matters worse, we end up with
stuff like:

#if 0 /* expanded by -frewrite-includes */^M
#pragma once^M#endif /* expanded by -frewrite-includes */^M

We should figure this out.

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