File: mutable.cpp

package info (click to toggle)
swiftlang 6.1.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 2,791,604 kB
  • sloc: cpp: 9,901,740; ansic: 2,201,431; asm: 1,091,827; python: 308,252; objc: 82,166; f90: 80,126; lisp: 38,358; pascal: 25,559; sh: 20,429; ml: 5,058; perl: 4,745; makefile: 4,484; awk: 3,535; javascript: 3,018; xml: 918; fortran: 664; cs: 573; ruby: 396
file content (28 lines) | stat: -rw-r--r-- 1,150 bytes parent folder | download | duplicates (7) 
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
 
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -std=c++11 -verify=expected,expected11,both,both11 %s
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -std=c++14 -verify=expected,expected14,both %s
// RUN: %clang_cc1 -std=c++11 -verify=ref,ref11,both,both11 %s
// RUN: %clang_cc1 -std=c++14 -verify=ref,ref14,both %s





namespace Simple {
  struct S {
    mutable int a; // both-note {{declared here}} \
                   // both11-note {{declared here}}
    int a2;
  };

  constexpr S s{12, 24};
  static_assert(s.a == 12, ""); // both-error {{not an integral constant expression}}  \
                                // both-note {{read of mutable member 'a'}}
  static_assert(s.a2 == 24, "");


  constexpr S s2{12, s2.a}; // both11-error {{must be initialized by a constant expression}} \
                            // both11-note {{read of mutable member 'a'}} \
                            // both11-note {{declared here}}
  static_assert(s2.a2 == 12, ""); // both11-error {{not an integral constant expression}} \
                                  // both11-note {{initializer of 's2' is not a constant expression}}
}