xref: /llvm-project/clang/test/AST/ByteCode/mutable.cpp (revision a07aba5d44204a7ca0d891a3da05af9960081e4c)
1*a07aba5dSTimm Baeder // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -std=c++11 -verify=expected,expected11,both,both11 %s
2*a07aba5dSTimm Baeder // RUN: %clang_cc1 -fexperimental-new-constant-interpreter -std=c++14 -verify=expected,expected14,both %s
3*a07aba5dSTimm Baeder // RUN: %clang_cc1 -std=c++11 -verify=ref,ref11,both,both11 %s
4*a07aba5dSTimm Baeder // RUN: %clang_cc1 -std=c++14 -verify=ref,ref14,both %s
5*a07aba5dSTimm Baeder 
6*a07aba5dSTimm Baeder 
7*a07aba5dSTimm Baeder 
8*a07aba5dSTimm Baeder 
9*a07aba5dSTimm Baeder 
10*a07aba5dSTimm Baeder namespace Simple {
11*a07aba5dSTimm Baeder   struct S {
12*a07aba5dSTimm Baeder     mutable int a; // both-note {{declared here}} \
13*a07aba5dSTimm Baeder                    // both11-note {{declared here}}
14*a07aba5dSTimm Baeder     int a2;
15*a07aba5dSTimm Baeder   };
16*a07aba5dSTimm Baeder 
17*a07aba5dSTimm Baeder   constexpr S s{12, 24};
18*a07aba5dSTimm Baeder   static_assert(s.a == 12, ""); // both-error {{not an integral constant expression}}  \
19*a07aba5dSTimm Baeder                                 // both-note {{read of mutable member 'a'}}
20*a07aba5dSTimm Baeder   static_assert(s.a2 == 24, "");
21*a07aba5dSTimm Baeder 
22*a07aba5dSTimm Baeder 
23*a07aba5dSTimm Baeder   constexpr S s2{12, s2.a}; // both11-error {{must be initialized by a constant expression}} \
24*a07aba5dSTimm Baeder                             // both11-note {{read of mutable member 'a'}} \
25*a07aba5dSTimm Baeder                             // both11-note {{declared here}}
26*a07aba5dSTimm Baeder   static_assert(s2.a2 == 12, ""); // both11-error {{not an integral constant expression}} \
27*a07aba5dSTimm Baeder                                   // both11-note {{initializer of 's2' is not a constant expression}}
28*a07aba5dSTimm Baeder }
29