1 files changed, 25 insertions, 0 deletions
diff --git a/clang/test/CXX/special/class.dtor/p10-0x.cpp b/clang/test/CXX/special/class.dtor/p10-0x.cpp
new file mode 100644
index 00000000000..121624e7e2b
--- /dev/null
+++ b/clang/test/CXX/special/class.dtor/p10-0x.cpp
@@ -0,0 +1,25 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
+
+// PR10127/N3031
+struct A { ~A(); };
+struct B {};
+template<typename T>
+void b(const T *x, const A *y) {
+  // FIXME: this parses as a pseudo destructor call which doesn't have decltype support yet
+  x->~decltype(T())(); // expected-error{{expected a class name after '~' to name a destructor}}
+
+  y->~decltype(*y)(); // expected-error{{destructor type 'decltype(*y)' (aka 'const A &') in object destruction expression does not match the type 'const A' of the object being destroyed}}
+  y->~decltype(T())(); // expected-error{{destructor type 'decltype(T())' in object destruction expression does not match the type 'const A' of the object being destroyed}}
+  y->~decltype(A())();
+}
+template void b(const int*, const A*);
+template void b(const A*,const A*);
+void a(const A *x) {
+  x->~decltype(A())();
+  x->~decltype(*x)(); // expected-error{{destructor type 'decltype(*x)' (aka 'const A &') in object destruction expression does not match the type 'const A' of the object being destroyed}}
+  x->~decltype()(); // expected-error{{expected expression}}
+  x->~decltype(B())(); // expected-error{{destructor type 'decltype(B())' (aka 'B') in object destruction expression does not match the type 'const A' of the object being destroyed}}
+  x->~decltype(x)(); // expected-error{{destructor type 'decltype(x)' (aka 'const A *') in object destruction expression does not match the type 'const A' of the object being destroyed}}
+  // this last one could be better, mentioning that the nested-name-specifier could be removed or a type name after the ~
+  x->::A::~decltype(*x)(); // expected-error{{expected a class name after '~' to name a destructor}}
+}