File: constexpr-subobj-initialization.cpp

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (59 lines) | stat: -rw-r--r-- 2,303 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
// RUN: %clang_cc1 -fsyntax-only -verify %s
// RUN: %clang_cc1 -fsyntax-only -verify -fexperimental-new-constant-interpreter %s

namespace baseclass_uninit {
struct DelBase {
  constexpr DelBase() = delete; // expected-note {{'DelBase' has been explicitly marked deleted here}}
};

struct Foo : DelBase {  // expected-note-re 2{{constructor of base class '{{.*}}DelBase' is not called}}
  constexpr Foo() {}; // expected-error {{call to deleted constructor of 'DelBase'}}
};
constexpr Foo f; // expected-error {{must be initialized by a constant expression}}
struct Bar : Foo {
  constexpr Bar() {};
};
constexpr Bar bar; // expected-error {{must be initialized by a constant expression}}

struct Base {};
struct A : Base { // expected-note-re {{constructor of base class '{{.*}}Base' is not called}}
  constexpr A() : value() {} // expected-error {{member initializer 'value' does not name a non-static data member or base class}}
};

constexpr A a; // expected-error {{must be initialized by a constant expression}}

struct B : Base { // expected-note-re {{constructor of base class '{{.*}}Base' is not called}}
  constexpr B() : {} // expected-error {{expected class member or base class name}}
};

constexpr B b; // expected-error {{must be initialized by a constant expression}}
} // namespace baseclass_uninit


struct Foo {
  constexpr Foo(); // expected-note 2{{declared here}}
};

constexpr Foo ff; // expected-error {{must be initialized by a constant expression}} \
                  // expected-note {{undefined constructor 'Foo' cannot be used in a constant expression}}

struct Bar : protected Foo {
  int i;
  constexpr Bar() : i(12) {} // expected-note {{undefined constructor 'Foo' cannot be used in a constant expression}}
};

constexpr Bar bb; // expected-error {{must be initialized by a constant expression}} \
                  // expected-note {{in call to 'Bar()'}}

template <typename Ty>
struct Baz {
  constexpr Baz(); // expected-note {{declared here}}
};

struct Quux : Baz<Foo>, private Bar {
  int i;
  constexpr Quux() : i(12) {} // expected-note {{undefined constructor 'Baz' cannot be used in a constant expression}}
};

constexpr Quux qx; // expected-error {{must be initialized by a constant expression}} \
                   // expected-note {{in call to 'Quux()'}}