[llvm] r295770 - Try to fix the buildbot on OSX.

[Zachary Turner via llvm-commits]

Author: zturner
Date: Tue Feb 21 15:31:28 2017
New Revision: 295770

URL: http://llvm.org/viewvc/llvm-project?rev=295770&view=rev
Log:
Try to fix the buildbot on OSX.

Since I'm only seeing failures on OSX, and it's saying
permission denied, I'm suspecting this is due to the addition
of the MAP_RESILIENT_CODESIGN and/or MAP_RESILIENT_MEDIA flags.
Speculatively trying to remove those to get the bots working.

Modified:
    llvm/trunk/lib/Support/Unix/Path.inc

Modified: llvm/trunk/lib/Support/Unix/Path.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Path.inc?rev=295770&r1=295769&r2=295770&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/Path.inc (original)
+++ llvm/trunk/lib/Support/Unix/Path.inc Tue Feb 21 15:31:28 2017
@@ -536,22 +536,6 @@ std::error_code mapped_file_region::init
 
   int flags = (Mode == readwrite) ? MAP_SHARED : MAP_PRIVATE;
   int prot = (Mode == readonly) ? PROT_READ : (PROT_READ | PROT_WRITE);
-#if defined(__APPLE__)
-//----------------------------------------------------------------------
-// Newer versions of MacOSX have a flag that will allow us to read from
-// binaries whose code signature is invalid without crashing by using
-// the MAP_RESILIENT_CODESIGN flag. Also if a file from removable media
-// is mapped we can avoid crashing and return zeroes to any pages we try
-// to read if the media becomes unavailable by using the
-// MAP_RESILIENT_MEDIA flag.
-//----------------------------------------------------------------------
-#if defined(MAP_RESILIENT_CODESIGN)
-  flags |= MAP_RESILIENT_CODESIGN;
-#endif
-#if defined(MAP_RESILIENT_MEDIA)
-  flags |= MAP_RESILIENT_MEDIA;
-#endif
-#endif // #if defined (__APPLE__)
 
   Mapping = ::mmap(nullptr, Size, prot, flags, FD, Offset);
   if (Mapping == MAP_FAILED)