Fix crash with cast of value-dependent expr.

We don't really need to perform semantic analysis on the dependent expression
anyway, so just call the cast dependent.

<rdar://problem/15012610>

llvm-svn: 190981
diff --git a/clang/test/SemaTemplate/dependent-expr.cpp b/clang/test/SemaTemplate/dependent-expr.cpp
index d75b0f3..01ac42e 100644
--- a/clang/test/SemaTemplate/dependent-expr.cpp
+++ b/clang/test/SemaTemplate/dependent-expr.cpp
@@ -72,3 +72,10 @@
     return data[0];
   }
 }
+
+template<typename T> struct CastDependentIntToPointer {
+  static void* f() {
+    T *x;
+    return ((void*)(((unsigned long)(x)|0x1ul)));
+  }
+};