xref: /llvm-project/clang/test/CXX/except/except.spec/p2-dynamic-types.cpp (revision 83ea47acd7116bf50274534ba9b3bd3035c01da6)
1 // RUN: %clang_cc1 -fexceptions -fcxx-exceptions -fsyntax-only -Wno-dynamic-exception-spec -verify %s
2 
3 // Dynamic specifications: valid types.
4 
5 struct Incomplete; // expected-note 3 {{forward declaration}}
6 
7 // Exception spec must not have incomplete types, or pointers to them, except
8 // void.
9 void ic1() throw(void); // expected-error {{incomplete type 'void' is not allowed in exception specification}}
10 void ic2() throw(Incomplete); // expected-error {{incomplete type 'Incomplete' is not allowed in exception specification}}
11 void ic3() throw(void*);
12 void ic4() throw(Incomplete*); // expected-error {{pointer to incomplete type 'Incomplete' is not allowed in exception specification}}
13 void ic5() throw(Incomplete&); // expected-error {{reference to incomplete type 'Incomplete' is not allowed in exception specification}}
14 
15 // Don't suppress errors in template instantiation.
16 template <typename T> struct TEx; // expected-note {{template is declared here}}
17 
18 void tf() throw(TEx<int>); // expected-error {{implicit instantiation of undefined template}}
19 
20 // DR 437, class throws itself.
21 struct DR437 {
22    void f() throw(DR437);
23    void g() throw(DR437*);
24    void h() throw(DR437&);
25 };
26 
27 // DR 437 within a nested class
28 struct DR437_out {
29    struct DR437_in {
30       void f() throw(DR437_out);
31       void g() throw(DR437_out*);
32       void h() throw(DR437_out&);
33    };
34 };
35