34 lines · cpp
1// RUN: %clang_cc1 -std=c++17 -fsyntax-only -verify %s2 3void h() {4 int i1 = 0;5 extern void h1(int x = i1);6 // expected-error@-1 {{default argument references local variable 'i1' of enclosing function}}7 8 const int i2 = 0;9 extern void h2a(int x = i2); // ok, not odr-use10 extern void h2b(int x = i2 + 0); // ok, not odr-use11 12 const int i3 = 0;13 extern void h3(const int *x = &i3);14 // expected-error@-1 {{default argument references local variable 'i3' of enclosing function}}15 16 const int i4 = 0;17 extern void h4(int x = sizeof(i4)); // ok, not odr-use18 extern void h5(int x = decltype(i4 + 4)()); // ok, not odr-use19 20 union {21 int i5;22 };23 24 extern void h6(int = i5);25 // expected-error@-1 {{default argument references local variable '' of enclosing function}}26 27 struct S { int i; };28 auto [x] = S();29 30 extern void h7(int = x);31 // expected-error@-1 {{default argument references local variable 'x' of enclosing function}}32 33}34