diff --git a/lib/Sema/SemaExprCXX.cpp b/lib/Sema/SemaExprCXX.cpp
index 40af207..d723c1f 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 << Context.getSizeType();
+        // Diagnose the compatibility of this conversion.
+        Diag(StartLoc, diag::warn_cxx98_compat_array_size_conversion)
+          << ArraySize->getType() << 0 << "'size_t'";
     } else {
       class SizeConvertDiagnoser : public ICEConvertDiagnoser {
       protected:
diff --git a/test/SemaCXX/cxx1y-contextual-conversion-tweaks.cpp b/test/SemaCXX/cxx1y-contextual-conversion-tweaks.cpp
index f00bf1e..58bbbb2 100644
--- a/test/SemaCXX/cxx1y-contextual-conversion-tweaks.cpp
+++ b/test/SemaCXX/cxx1y-contextual-conversion-tweaks.cpp
@@ -154,4 +154,24 @@
 //expected-error@143 {{cannot initialize object parameter of type 'extended_examples_cxx1y::D' with an expression of type 'extended_examples_cxx1y::D'}}
 #endif
 
-// FIXME: Extend with more examples, including [expr.const] and [expr.new].
+namespace extended_examples_array_bounds {
+  
+  typedef decltype(sizeof(int)) size_t;
+  
+  struct Foo {
+    operator size_t();   // @162
+    operator unsigned short();  // @163
+  };
+
+  void bar() {
+    Foo x;
+    int *p = new int[x];        // @168
+  }
+}
+
+#ifdef CXX1Y
+#else
+//expected-error@168 {{ambiguous conversion of array size expression of type 'extended_examples_array_bounds::Foo' to an integral or enumeration type}}
+//expected-note@162 {{conversion to integral type 'size_t'}}
+//expected-note@163 {{conversion to integral type 'unsigned short' declared here}}
+#endif
diff --git a/test/SemaCXX/cxx98-compat-pedantic.cpp b/test/SemaCXX/cxx98-compat-pedantic.cpp
index 5fe7980..50ce6a4 100644
--- a/test/SemaCXX/cxx98-compat-pedantic.cpp
+++ b/test/SemaCXX/cxx98-compat-pedantic.cpp
@@ -34,7 +34,7 @@
 };
 int *ArraySizeConversion = new int[ConvertToInt()];
 #ifdef CXX1Y2
-// expected-warning@-2 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type}} // 'unsigned long' is incompatible with C++98}}
+// expected-warning@-2 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'size_t' is incompatible with C++98}}
 #else
 // expected-warning@-4 {{implicit conversion from array size expression of type 'ConvertToInt' to integral type 'int' is incompatible with C++98}}
 #endif