[llvm-bugs] [Bug 31984] New: -frewrite-includes incorrectly removes header

[via llvm-bugs]

http://bugs.llvm.org/show_bug.cgi?id=31984

            Bug ID: 31984
           Summary: -frewrite-includes incorrectly removes header
           Product: clang
           Version: unspecified
          Hardware: Macintosh
                OS: MacOS X
            Status: NEW
          Severity: normal
          Priority: P
         Component: Frontend
          Assignee: unassignedclangbugs at nondot.org
          Reporter: ag at arvid.io
                CC: llvm-bugs at lists.llvm.org

Created attachment 17998
  --> http://bugs.llvm.org/attachment.cgi?id=17998&action=edit
Shell Script to easily reproduce the issue

If a program is preprocessed with "-frewrite-includes" the preprocessor,
incorrectly, removes the header, which results in a compiler error.

In the attache example a C program is generated with the 'stdatomic.h' include.
Preprocessed with rewrite-includes and than compiled.

Tested on OS X 10.11, with both Xcode 7 and a self-compiled LLVM 3.6.

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