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112 lines
2.6 KiB
112 lines
2.6 KiB
4 months ago
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// RUN: %clang_cc1 -fsyntax-only -DNOEXCEPT= -verify %s
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// RUN: %clang_cc1 -fsyntax-only -std=c++1z -DNOEXCEPT= -verify %s
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// RUN: %clang_cc1 -fsyntax-only -std=c++1z -DNOEXCEPT=noexcept -verify %s
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template<typename T> T f0(T) NOEXCEPT;
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int f0(int) NOEXCEPT;
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// -- an object or reference being initialized
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struct S {
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int (*f0)(int);
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float (*f1)(float);
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};
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void test_init_f0() {
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int (*f0a)(int) = f0;
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int (*f0b)(int) = &f0;
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int (*f0c)(int) = (f0);
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float (*f0d)(float) = f0;
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float (*f0e)(float) = &f0;
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float (*f0f)(float) = (f0);
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int (&f0g)(int) = f0;
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int (&f0h)(int) = (f0);
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float (&f0i)(float) = f0;
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float (&f0j)(float) = (f0);
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S s = { f0, f0 };
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}
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// -- the left side of an assignment (5.17),
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void test_assign_f0() {
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int (*f0a)(int) = 0;
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float (*f0b)(float) = 0;
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f0a = f0;
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f0a = &f0;
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f0a = (f0);
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f0b = f0;
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f0b = &f0;
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f0b = (f0);
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}
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// -- a parameter of a function (5.2.2),
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void eat_f0(int a(int), float (*b)(float), int (&c)(int), float (&d)(float));
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void test_pass_f0() {
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eat_f0(f0, f0, f0, f0);
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eat_f0(&f0, &f0, (f0), (f0));
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}
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// -- a parameter of a user-defined operator (13.5),
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struct X { };
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void operator+(X, int(int));
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void operator-(X, float(*)(float));
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void operator*(X, int (&)(int));
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void operator/(X, float (&)(float));
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void test_operator_pass_f0(X x) {
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x + f0;
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x + &f0;
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x - f0;
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x - &f0;
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x * f0;
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x * (f0);
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x / f0;
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x / (f0);
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}
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// -- the return value of a function, operator function, or conversion (6.6.3),
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int (*test_return_f0_a())(int) { return f0; }
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int (*test_return_f0_b())(int) { return &f0; }
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int (*test_return_f0_c())(int) { return (f0); }
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float (*test_return_f0_d())(float) { return f0; }
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float (*test_return_f0_e())(float) { return &f0; }
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float (*test_return_f0_f())(float) { return (f0); }
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// -- an explicit type conversion (5.2.3, 5.2.9, 5.4), or
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void test_convert_f0() {
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(void)((int (*)(int))f0);
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(void)((int (*)(int))&f0);
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(void)((int (*)(int))(f0));
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(void)((float (*)(float))f0);
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(void)((float (*)(float))&f0);
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(void)((float (*)(float))(f0));
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}
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// -- a non-type template-parameter(14.3.2).
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template<int(int)> struct Y0 { };
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template<float(float)> struct Y1 { };
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template<int (&)(int)> struct Y2 { };
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template<float (&)(float)> struct Y3 { };
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Y0<f0> y0;
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Y0<&f0> y0a;
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Y1<f0> y1;
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Y1<&f0> y1a;
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Y2<f0> y2;
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Y3<f0> y3;
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#if __cplusplus > 201402L
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namespace MixedNoexcept {
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inline namespace A {
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void f() noexcept; // expected-note {{candidate}}
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}
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inline namespace B {
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void f(); // expected-note {{candidate}}
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}
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void (*p)() noexcept = &f; // ok
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void (*q)() = &f; // expected-error {{ambiguous}}
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}
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#else
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// expected-no-diagnostics
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#endif
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