1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 3 // PR6647 4 class C { 5 // After the error, the rest of the tokens inside the default arg should be 6 // skipped, avoiding a "expected ';' after class" after 'undecl'. 7 void m(int x = undecl + 0); // expected-error {{use of undeclared identifier 'undecl'}} 8 }; 9 10 typedef struct Inst { 11 void m(int x=0); 12 } *InstPtr; 13 14 struct X { 15 void f(int x = 1:); // expected-error {{unexpected end of default argument expression}} 16 }; 17 18 // PR13657 19 struct T { 20 template <typename A, typename B> struct T1 { enum {V};}; 21 template <int A, int B> struct T2 { enum {V}; }; 22 template <int, int> static int func(int); 23 24 25 void f1(T1<int, int> = T1<int, int>()); 26 void f2(T1<int, double> = T1<int, double>(), T2<0, 5> = T2<0, 5>()); 27 void f3(int a = T2<0, (T1<int, int>::V > 10) ? 5 : 6>::V, bool b = 4<5 ); 28 void f4(bool a = 1 < 0, bool b = 2 > 0 ); 29 void f5(bool a = 1 > T2<0, 0>::V, bool b = T1<int,int>::V < 3, int c = 0); 30 void f6(bool a = T2<0,3>::V < 4, bool b = 4 > T2<0,3>::V); 31 void f7(bool a = T1<int, bool>::V < 3); 32 void f8(int = func<0,1<2>(0), int = 1<0, T1<int,int>(int) = 0); 33 }; 34 35 // rdar://18508589 36 struct S { 37 void f(int &r = error); // expected-error {{use of undeclared identifier 'error'}} 38 }; 39 40 struct U { iU41 void i(int x = ) {} // expected-error{{expected expression}} 42 typedef int *fp(int x = ); // expected-error{{default arguments can only be specified for parameters in a function declaration}} 43 }; 44