r217606 - Tests for DR573-580.
Richard Smith
richard-llvm at metafoo.co.uk
Thu Sep 11 10:28:14 PDT 2014
Author: rsmith
Date: Thu Sep 11 12:28:14 2014
New Revision: 217606
URL: http://llvm.org/viewvc/llvm-project?rev=217606&view=rev
Log:
Tests for DR573-580.
Modified:
cfe/trunk/test/CXX/drs/dr5xx.cpp
cfe/trunk/www/cxx_dr_status.html
Modified: cfe/trunk/test/CXX/drs/dr5xx.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CXX/drs/dr5xx.cpp?rev=217606&r1=217605&r2=217606&view=diff
==============================================================================
--- cfe/trunk/test/CXX/drs/dr5xx.cpp (original)
+++ cfe/trunk/test/CXX/drs/dr5xx.cpp Thu Sep 11 12:28:14 2014
@@ -726,3 +726,129 @@ namespace dr572 { // dr572: yes
enum E { a = 1, b = 2 };
int check[a + b == 3 ? 1 : -1];
}
+
+namespace dr573 { // dr573: no
+ void *a;
+ int *b = reinterpret_cast<int*>(a);
+ void (*c)() = reinterpret_cast<void(*)()>(a);
+ void *d = reinterpret_cast<void*>(c);
+#if __cplusplus < 201103L
+ // expected-error at -3 {{extension}}
+ // expected-error at -3 {{extension}}
+#endif
+ void f() { delete a; } // expected-error {{cannot delete}}
+ int n = d - a; // expected-error {{arithmetic on pointers to void}}
+ // FIXME: This is ill-formed.
+ template<void*> struct S;
+ template<int*> struct T;
+}
+
+namespace dr574 { // dr574: yes
+ struct A {
+ A &operator=(const A&) const; // expected-note {{does not match because it is const}}
+ };
+ struct B {
+ B &operator=(const B&) volatile; // expected-note {{nearly matches}}
+ };
+#if __cplusplus >= 201103L
+ struct C {
+ C &operator=(const C&) &; // expected-note {{not viable}} expected-note {{nearly matches}} expected-note {{here}}
+ };
+ struct D {
+ D &operator=(const D&) &&; // expected-note {{not viable}} expected-note {{nearly matches}} expected-note {{here}}
+ };
+ void test(C c, D d) {
+ c = c;
+ C() = c; // expected-error {{no viable}}
+ d = d; // expected-error {{no viable}}
+ D() = d;
+ }
+#endif
+ struct Test {
+ friend A &A::operator=(const A&); // expected-error {{does not match}}
+ friend B &B::operator=(const B&); // expected-error {{does not match}}
+#if __cplusplus >= 201103L
+ // FIXME: We shouldn't produce the 'cannot overload' diagnostics here.
+ friend C &C::operator=(const C&); // expected-error {{does not match}} expected-error {{cannot overload}}
+ friend D &D::operator=(const D&); // expected-error {{does not match}} expected-error {{cannot overload}}
+#endif
+ };
+}
+
+namespace dr575 { // dr575: yes
+ template<typename T, typename U = typename T::type> void a(T); void a(...); // expected-error 0-1{{extension}}
+ template<typename T, typename T::type U = 0> void b(T); void b(...); // expected-error 0-1{{extension}}
+ template<typename T, int U = T::value> void c(T); void c(...); // expected-error 0-1{{extension}}
+ template<typename T> void d(T, int = T::value); void d(...); // expected-error {{cannot be used prior to '::'}}
+ void x() {
+ a(0);
+ b(0);
+ c(0);
+ d(0); // expected-note {{in instantiation of default function argument}}
+ }
+
+ template<typename T = int&> void f(T* = 0); // expected-error 0-1{{extension}}
+ template<typename T = int> void f(T = 0); // expected-error 0-1{{extension}}
+ void g() { f<>(); }
+
+ template<typename T> T &h(T *);
+ template<typename T> T *h(T *);
+ void *p = h((void*)0);
+}
+
+namespace dr576 { // dr576: yes
+ typedef void f() {} // expected-error {{function definition is not allowed}}
+ void f(typedef int n); // expected-error {{invalid storage class}}
+ void f(char c) { typedef int n; }
+}
+
+namespace dr577 { // dr577: yes
+ typedef void V;
+ typedef const void CV;
+ void a(void);
+ void b(const void); // expected-error {{qualifiers}}
+ void c(V);
+ void d(CV); // expected-error {{qualifiers}}
+ void (*e)(void) = c;
+ void (*f)(const void); // expected-error {{qualifiers}}
+ void (*g)(V) = a;
+ void (*h)(CV); // expected-error {{qualifiers}}
+ template<typename T> void i(T); // expected-note 2{{requires 1 arg}}
+ template<typename T> void j(void (*)(T)); // expected-note 2{{argument may not have 'void' type}}
+ void k() {
+ a();
+ c();
+ i<void>(); // expected-error {{no match}}
+ i<const void>(); // expected-error {{no match}}
+ j<void>(0); // expected-error {{no match}}
+ j<const void>(0); // expected-error {{no match}}
+ }
+}
+
+namespace dr580 { // dr580: no
+ class C;
+ struct A { static C c; };
+ struct B { static C c; };
+ class C {
+ C(); // expected-note {{here}}
+ ~C(); // expected-note {{here}}
+
+ typedef int I; // expected-note {{here}}
+ template<int> struct X;
+ template<int> friend struct Y;
+ template<int> void f();
+ template<int> friend void g();
+ friend struct A;
+ };
+
+ template<C::I> struct C::X {};
+ template<C::I> struct Y {};
+ template<C::I> struct Z {}; // FIXME: should reject, accepted because C befriends A!
+
+ template<C::I> void C::f() {}
+ template<C::I> void g() {}
+ template<C::I> void h() {} // expected-error {{private}}
+
+ C A::c;
+ C B::c; // expected-error 2{{private}}
+}
Modified: cfe/trunk/www/cxx_dr_status.html
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/www/cxx_dr_status.html?rev=217606&r1=217605&r2=217606&view=diff
==============================================================================
--- cfe/trunk/www/cxx_dr_status.html (original)
+++ cfe/trunk/www/cxx_dr_status.html Thu Sep 11 12:28:14 2014
@@ -147,7 +147,7 @@
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#18">18</a></td>
<td>NAD</td>
<td>f(TYPE) where TYPE is void should be allowed</td>
- <td class="none" align="center">Superseded by <a href="#577">577</a></td>
+ <td class="full" align="center">Superseded by <a href="#577">577</a></td>
</tr>
<tr id="19">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#19">19</a></td>
@@ -2033,7 +2033,7 @@ of class templates</td>
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#332">332</a></td>
<td>CD3</td>
<td>cv-qualified <TT>void</TT> parameter types</td>
- <td class="none" align="center">Duplicate of <a href="#577">577</a></td>
+ <td class="full" align="center">Duplicate of <a href="#577">577</a></td>
</tr>
<tr id="333">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#333">333</a></td>
@@ -3481,31 +3481,31 @@ and <I>POD class</I></td>
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#573">573</a></td>
<td>C++11</td>
<td>Conversions between function pointers and <TT>void*</TT></td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr id="574">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#574">574</a></td>
<td>NAD</td>
<td>Definition of “copy assignment operator”</td>
- <td class="none" align="center">Unknown</td>
+ <td class="full" align="center">Yes</td>
</tr>
<tr id="575">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#575">575</a></td>
<td>C++11</td>
<td>Criteria for deduction failure</td>
- <td class="none" align="center">Unknown</td>
+ <td class="full" align="center">Yes</td>
</tr>
<tr id="576">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#576">576</a></td>
<td>CD2</td>
<td>Typedefs in function definitions</td>
- <td class="none" align="center">Unknown</td>
+ <td class="full" align="center">Yes</td>
</tr>
<tr id="577">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#577">577</a></td>
<td>CD3</td>
<td><TT>void</TT> in an empty parameter list</td>
- <td class="none" align="center">Unknown</td>
+ <td class="full" align="center">Yes</td>
</tr>
<tr class="open" id="578">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#578">578</a></td>
@@ -3523,7 +3523,7 @@ and <I>POD class</I></td>
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#580">580</a></td>
<td>C++11</td>
<td>Access in <I>template-parameter</I>s of member and friend definitions</td>
- <td class="none" align="center">Unknown</td>
+ <td class="none" align="center">No</td>
</tr>
<tr class="open" id="581">
<td><a href="http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_active.html#581">581</a></td>
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