Fix two crashes on value dependent expressions (shift and null-pointer check).
 - Doug, please check.

 - PR4940.

llvm-svn: 82129
diff --git a/clang/test/SemaCXX/value-dependent-exprs.cpp b/clang/test/SemaCXX/value-dependent-exprs.cpp
new file mode 100644
index 0000000..603da9b
--- /dev/null
+++ b/clang/test/SemaCXX/value-dependent-exprs.cpp
@@ -0,0 +1,44 @@
+// RUN: clang-cc -verify %s
+
+template <unsigned I>
+class C0 {
+  static const int iv0 = 1 << I;
+
+  enum {
+    A = I,
+    B = I + 1
+  };
+
+  struct s0 {
+    int a : I;
+    int b[I];
+  };
+
+  void f0(int *p) {
+    if (p == I) {
+    }
+  }
+
+#if 0
+  // FIXME: Not sure whether we care about these.
+  void f1(int *a)
+    __attribute__((nonnull(1 + I)))
+    __attribute__((constructor(1 + I)))
+    __attribute__((destructor(1 + I)))
+    __attribute__((sentinel(1 + I, 2 + I))),
+    __attribute__((reqd_work_group_size(1 + I, 2 + I, 3 + I))),
+    __attribute__((format_arg(1 + I))),
+    __attribute__((aligned(1 + I))),
+    __attribute__((regparm(1 + I)));
+
+  typedef int int_a0 __attribute__((address_space(1 + B)));
+#endif
+
+#if 0
+  // FIXME: This doesn't work. PR4996.
+  int f2() {
+    return __builtin_choose_expr(I, 1, 2);
+  }
+#endif
+
+};