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comparison gcc/testsuite/g++.dg/conversion/qual3.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
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131:84e7813d76e9 145:1830386684a0
1 // PR c++/88128 - DR 330: Qual convs and pointers to arrays of pointers.
2 // { dg-do compile { target c++17 } }
3
4 using P = int *(*)[3];
5 using Q = const int *const (*)[3];
6 using Qi = const int *[3];
7 using Q2 = Qi const *;
8 using R = const int *const (*)[4];
9 using S = const int *const (*)[];
10 using T = const int *(*)[];
11
12 void
13 f (P p, Q q, Q2 q2, R r, S s, T t)
14 {
15 q = p;
16 q2 = p;
17 r = p; // { dg-error "cannot convert" }
18 t = p; // { dg-error "cannot convert" }
19 s = t;
20 t = s; // { dg-error "invalid conversion" }
21
22 // Test const_cast.
23 const_cast<P>(q);
24 const_cast<P>(q2);
25 const_cast<Q>(p);
26 const_cast<Q2>(p);
27 const_cast<S>(p); // { dg-error "3:invalid .const_cast." }
28 const_cast<P>(s); // { dg-error "3:invalid .const_cast." }
29 const_cast<S>(q); // { dg-error "3:invalid .const_cast." }
30 const_cast<S>(q2); // { dg-error "3:invalid .const_cast." }
31 const_cast<Q>(s); // { dg-error "3:invalid .const_cast." }
32 const_cast<Q2>(s); // { dg-error "3:invalid .const_cast." }
33 const_cast<T>(s);
34 const_cast<S>(t);
35 const_cast<T>(q); // { dg-error "3:invalid .const_cast." }
36 const_cast<Q>(t); // { dg-error "3:invalid .const_cast." }
37
38 // Test reinterpret_cast.
39 reinterpret_cast<P>(q); // { dg-error "3:.reinterpret_cast. \[^\n\r]* casts away qualifiers" }
40 reinterpret_cast<P>(q2); // { dg-error "3:.reinterpret_cast. \[^\n\r]* casts away qualifiers" }
41 reinterpret_cast<Q>(p);
42 reinterpret_cast<Q2>(p);
43 reinterpret_cast<S>(p);
44 reinterpret_cast<P>(s); // { dg-error "3:.reinterpret_cast. \[^\n\r]* casts away qualifiers" }
45 reinterpret_cast<S>(q);
46 reinterpret_cast<S>(q2);
47 reinterpret_cast<Q>(s);
48 reinterpret_cast<Q2>(s);
49 reinterpret_cast<T>(s); // { dg-error "3:.reinterpret_cast. \[^\n\r]* casts away qualifiers" }
50 reinterpret_cast<S>(t);
51 reinterpret_cast<T>(q); // { dg-error "3:.reinterpret_cast. \[^\n\r]* casts away qualifiers" }
52 reinterpret_cast<Q>(t);
53 }