[PATCH] Synchronize the NaCl DataLayout string with the one in clang

[JF Bastien]

================
Comment at: lib/Target/X86/X86TargetMachine.cpp:50
@@ +49,3 @@
+  if (ST.isTargetNaCl())
+    ; // No f80
+  else if (ST.is64Bit() || ST.isTargetDarwin())
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I'm editing this line in D5807.

http://reviews.llvm.org/D2436