forked from OSchip/llvm-project
63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
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int n;
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struct S {
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int &a; // expected-note 2{{here}}
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int &b = n;
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union {
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const int k = 42;
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};
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S() {} // expected-error {{constructor for 'S' must explicitly initialize the reference member 'a'}}
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S(int) : a(n) {} // ok
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S(char) : b(n) {} // expected-error {{constructor for 'S' must explicitly initialize the reference member 'a'}}
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S(double) : a(n), b(n) {} // ok
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} s(0);
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union U {
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int a = 0; // desired-note 5 {{previous initialization is here}}
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char b = 'x';
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// FIXME: these should all be rejected
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U() {} // desired-error {{initializing multiple members of union}}
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U(int) : a(1) {} // desired-error {{initializing multiple members of union}}
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U(char) : b('y') {} // desired-error {{initializing multiple members of union}}
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// this expected note should be removed & the note should appear on the
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// declaration of 'a' when this set of cases is handled correctly.
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U(double) : a(1), // expected-note{{previous initialization is here}} desired-error {{initializing multiple members of union}}
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b('y') {} // expected-error{{initializing multiple members of union}}
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};
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// PR10954: variant members do not acquire an implicit initializer.
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namespace VariantMembers {
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struct NoDefaultCtor {
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NoDefaultCtor(int);
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};
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union V {
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NoDefaultCtor ndc;
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int n;
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V() {}
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V(int n) : n(n) {}
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V(int n, bool) : ndc(n) {}
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};
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struct K {
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union {
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NoDefaultCtor ndc;
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int n;
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};
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K() {}
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K(int n) : n(n) {}
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K(int n, bool) : ndc(n) {}
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};
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struct Nested {
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Nested() {}
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union {
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struct {
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NoDefaultCtor ndc;
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};
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};
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};
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}
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