Revert "Updated test cases for contextual conversion"

This reverts commit r184100.

It was faling on some bots:
http://bb.pgr.jp/builders/cmake-clang-i686-mingw32/builds/1973/steps/test_clang/logs/Clang%20%3A%3A%20SemaCXX__cxx1y-contextual-conversion-tweaks.cpp

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@184108 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index d723c1f..40af207 100644
--- a/lib/Sema/SemaExprCXX.cpp
+++ b/lib/Sema/SemaExprCXX.cpp
@@ -1205,9 +1205,9 @@
 						AA_Converting);
 
       if (!isSFINAEContext())
-        // Diagnose the compatibility of this conversion.
-        Diag(StartLoc, diag::warn_cxx98_compat_array_size_conversion)
-          << ArraySize->getType() << 0 << "'size_t'";
+	// Diagnose the compatibility of this conversion.
+	Diag(StartLoc, diag::warn_cxx98_compat_array_size_conversion)
+	  << ArraySize->getType() << 0 << Context.getSizeType();
     } else {
       class SizeConvertDiagnoser : public ICEConvertDiagnoser {
       protected: