| 1 | // RUN: %clang_cc1 -fsyntax-only -verify %s |
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| 2 | |
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| 3 | // PR6647 |
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| 4 | class C { |
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| 5 | // After the error, the rest of the tokens inside the default arg should be |
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| 6 | // skipped, avoiding a "expected ';' after class" after 'undecl'. |
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| 7 | void m(int x = undecl + 0); // expected-error {{use of undeclared identifier 'undecl'}} |
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| 8 | }; |
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| 9 | |
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| 10 | typedef struct Inst { |
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| 11 | void m(int x=0); |
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| 12 | } *InstPtr; |
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| 13 | |
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| 14 | struct X { |
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| 15 | void f(int x = 1:); // expected-error {{unexpected end of default argument expression}} |
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| 16 | }; |
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| 17 | |
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| 18 | // PR13657 |
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| 19 | struct T { |
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| 20 | template <typename A, typename B> struct T1 { enum {V};}; |
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| 21 | template <int A, int B> struct T2 { enum {V}; }; |
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| 22 | template <int, int> static int func(int); |
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| 23 | |
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| 24 | |
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| 25 | void f1(T1<int, int> = T1<int, int>()); |
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| 26 | void f2(T1<int, double> = T1<int, double>(), T2<0, 5> = T2<0, 5>()); |
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| 27 | void f3(int a = T2<0, (T1<int, int>::V > 10) ? 5 : 6>::V, bool b = 4<5 ); |
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| 28 | void f4(bool a = 1 < 0, bool b = 2 > 0 ); |
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| 29 | void f5(bool a = 1 > T2<0, 0>::V, bool b = T1<int,int>::V < 3, int c = 0); |
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| 30 | void f6(bool a = T2<0,3>::V < 4, bool b = 4 > T2<0,3>::V); |
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| 31 | void f7(bool a = T1<int, bool>::V < 3); |
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| 32 | void f8(int = func<0,1<2>(0), int = 1<0, T1<int,int>(int) = 0); |
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| 33 | }; |
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| 34 | |
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| 35 | // rdar://18508589 |
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| 36 | struct S { |
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| 37 | void f(int &r = error); // expected-error {{use of undeclared identifier 'error'}} |
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| 38 | }; |
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| 39 | |
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| 40 | struct U { |
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| 41 | void i(int x = ) {} // expected-error{{expected expression}} |
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| 42 | typedef int *fp(int x = ); // expected-error{{default arguments can only be specified for parameters in a function declaration}} |
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| 43 | }; |
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| 44 | |
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