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// { dg-do compile { target c++20 } }
// Explicit { dg-require-effective-target exceptions_enabled } to avoid verify compiler messages FAILs for '-fno-exceptions'.
consteval int bar (int i) { if (i != 1) throw 1; return 0; } // { dg-error "is not a constant expression" }
constexpr int
foo (bool b)
{
return b ? bar (3) : 2; // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
}
static_assert (foo (false) == 2);
__extension__ constexpr int g1 = false ?: bar (2); // { dg-message "in .constexpr. expansion" }
__extension__ constexpr int g2 = false ?: (1 + bar (2)); // { dg-message "in .constexpr. expansion" }
__extension__ constexpr int g3 = true ?: bar (2);
__extension__ constexpr int g4 = true ?: (1 + bar (2));
constexpr int g5 = bar (2) ? 1 : 2; // { dg-message "in .constexpr. expansion" }
constexpr int g6 = bar (2) - 1 ? 1 : 2; // { dg-message "in .constexpr. expansion" }
void
g ()
{
__extension__ int a1[bar(3)]; // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
int a2[sizeof (bar(3))];
int a3 = false ? (1 + bar (8)) : 1; // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
a3 += false ? (1 + bar (8)) : 1; // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
__extension__ int a4 = false ?: (1 + bar (8)); // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
__extension__ int a5 = true ?: (1 + bar (8)); // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
int a6 = bar (2) ? 1 : 2; // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
int a7 = bar (2) - 1 ? 1 : 2; // { dg-message "in .constexpr. expansion" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
}
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