1 files changed, 28 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/ext/verify_neg.cc b/libstdc++-v3/testsuite/ext/verify_neg.cc
new file mode 100644
index 0000000..ce03374
--- /dev/null
+++ b/libstdc++-v3/testsuite/ext/verify_neg.cc
@@ -0,0 +1,28 @@
+// { dg-do compile { target c++11 } }
+
+#include <testsuite_hooks.h>
+
+struct X { explicit operator void*() const { return nullptr; } };
+
+void
+test_VERIFY(int i)
+{
+  // This should not be parsed as a function type bool(bool(i)):
+  VERIFY( bool(i) );
+
+  // This should not produce warnings about lambda in unevaluated context:
+  VERIFY( []{ return 1; }() );
+
+  // Only one expression allowed:
+  VERIFY(1, 2); // { dg-error "in expansion of macro" }
+  // { dg-error "compound expression in functional cast" "" { target *-*-* } 0 }
+
+  // A scoped enum is not contextually convertible to bool:
+  enum class E { E0 };
+  VERIFY( E::E0 ); // { dg-error "could not convert" }
+
+  // explicit conversion to void* is not contextually convertible to bool:
+  X x;
+  VERIFY( x ); // { dg-error "in expansion of macro" }
+  // { dg-error "invalid cast .* to type 'bool'" "" { target *-*-* } 0 }
+}