llvm-project/clang/test/Parser/cxx-default-args.cpp
Mehdi Amini e0ac46e69d Revert "Remove rdar links; NFC"
This reverts commit d618f1c3b12effd0c2bdb7d02108d3551f389d3d.
This commit wasn't reviewed ahead of time and significant concerns were
raised immediately after it landed. According to our developer policy
this warrants immediate revert of the commit.

https://llvm.org/docs/DeveloperPolicy.html#patch-reversion-policy

Differential Revision: https://reviews.llvm.org/D155509
2023-07-17 18:08:04 -07:00

44 lines
1.4 KiB
C++

// RUN: %clang_cc1 -fsyntax-only -verify %s
// PR6647
class C {
// After the error, the rest of the tokens inside the default arg should be
// skipped, avoiding a "expected ';' after class" after 'undecl'.
void m(int x = undecl + 0); // expected-error {{use of undeclared identifier 'undecl'}}
};
typedef struct Inst {
void m(int x=0);
} *InstPtr;
struct X {
void f(int x = 1:); // expected-error {{unexpected end of default argument expression}}
};
// PR13657
struct T {
template <typename A, typename B> struct T1 { enum {V};};
template <int A, int B> struct T2 { enum {V}; };
template <int, int> static int func(int);
void f1(T1<int, int> = T1<int, int>());
void f2(T1<int, double> = T1<int, double>(), T2<0, 5> = T2<0, 5>());
void f3(int a = T2<0, (T1<int, int>::V > 10) ? 5 : 6>::V, bool b = 4<5 );
void f4(bool a = 1 < 0, bool b = 2 > 0 );
void f5(bool a = 1 > T2<0, 0>::V, bool b = T1<int,int>::V < 3, int c = 0);
void f6(bool a = T2<0,3>::V < 4, bool b = 4 > T2<0,3>::V);
void f7(bool a = T1<int, bool>::V < 3);
void f8(int = func<0,1<2>(0), int = 1<0, T1<int,int>(int) = 0);
};
// rdar://18508589
struct S {
void f(int &r = error); // expected-error {{use of undeclared identifier 'error'}}
};
struct U {
void i(int x = ) {} // expected-error{{expected expression}}
typedef int *fp(int x = ); // expected-error{{default arguments can only be specified for parameters in a function declaration}}
};