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// RUN: %clang_cc1 -std=c++11 -fexceptions -fcxx-exceptions -fsyntax-only -verify %s
// Assignment of function pointers.
struct A
{
};
struct B1 : A
{
};
struct B2 : A
{
};
struct D : B1, B2
{
};
struct P : private A
{
};
// Some functions to play with below.
void s1() throw();
void s2() throw(int);
void s3() throw(A);
void s4() throw(B1);
void s5() throw(D);
void s6();
void s7() throw(int, float);
void (*s8())() throw(B1); // s8 returns a pointer to function with spec
void s9(void (*)() throw(B1)); // s9 takes pointer to function with spec
void s10() noexcept;
void s11() noexcept(true);
void s12() noexcept(false);
void fnptrs()
{
// Assignment and initialization of function pointers.
void (*t1)() throw() = &s1; // valid
t1 = &s2; // expected-error {{not superset}} expected-error {{incompatible type}}
t1 = &s3; // expected-error {{not superset}} expected-error {{incompatible type}}
void (&t2)() throw() = s2; // expected-error {{not superset}}
void (*t3)() throw(int) = &s2; // valid
void (*t4)() throw(A) = &s1; // valid
t4 = &s3; // valid
t4 = &s4; // valid
t4 = &s5; // expected-error {{not superset}} expected-error {{incompatible type}}
void (*t5)() = &s1; // valid
t5 = &s2; // valid
t5 = &s6; // valid
t5 = &s7; // valid
t1 = t3; // expected-error {{not superset}} expected-error {{incompatible type}}
t3 = t1; // valid
void (*t6)() throw(B1);
t6 = t4; // expected-error {{not superset}} expected-error {{incompatible type}}
t4 = t6; // valid
t5 = t1; // valid
t1 = t5; // expected-error {{not superset}} expected-error {{incompatible type}}
// return types and arguments must match exactly, no inheritance allowed
void (*(*t7)())() throw(B1) = &s8; // valid
void (*(*t8)())() throw(A) = &s8; // expected-error {{return types differ}}
void (*(*t9)())() throw(D) = &s8; // expected-error {{return types differ}}
void (*t10)(void (*)() throw(B1)) = &s9; // valid expected-warning{{disambiguated}}
void (*t11)(void (*)() throw(A)) = &s9; // expected-error {{argument types differ}} expected-warning{{disambiguated}}
void (*t12)(void (*)() throw(D)) = &s9; // expected-error {{argument types differ}} expected-warning{{disambiguated}}
}
// Member function stuff
struct Str1 { void f() throw(int); }; // expected-note {{previous declaration}}
void Str1::f() // expected-warning {{missing exception specification}}
{
}
void mfnptr()
{
void (Str1::*pfn1)() throw(int) = &Str1::f; // valid
void (Str1::*pfn2)() = &Str1::f; // valid
void (Str1::*pfn3)() throw() = &Str1::f; // expected-error {{not superset}}
}
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