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// { dg-do compile }
// Explicit { dg-require-effective-target exceptions_enabled } to avoid verify compiler messages FAILs for '-fno-exceptions'.
// { dg-options "-std=c++2a" }
consteval int bar (int i) { if (i != 1) throw 1; return 0; } // { dg-error "is not a constant expression" }
constexpr int a = bar (1);
constexpr int b = bar (2); // { dg-message "in 'constexpr' expansion of" }
constexpr int c = 0 ? bar (3) : 1;
const int d = bar (4); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
const int e = 0 ? bar (5) : 1;
int f = bar (1);
int g = bar (6); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
int h = 0 ? bar (7) : 1;
void
foo ()
{
constexpr int a = bar (1);
constexpr int b = bar (2); // { dg-message "in 'constexpr' expansion of" }
constexpr int c = 0 ? bar (3) : 1;
const int d = bar (4); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
const int e = 0 ? bar (5) : 1;
int f = bar (1);
int g = bar (6); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
int h = 0 ? bar (7) : 1; // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
h += 0 ? bar (8) : 1; // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
if (0)
bar (9); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
else
bar (10); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
if (1)
bar (11); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
else
bar (12); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
if constexpr (0)
bar (13);
else
bar (14); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
if constexpr (1)
bar (15); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
else
bar (16);
}
consteval int
baz ()
{
constexpr int a = bar (1);
constexpr int b = bar (2); // { dg-message "in 'constexpr' expansion of" }
constexpr int c = 0 ? bar (3) : 1;
const int d = bar (4);
const int e = 0 ? bar (5) : 1;
int f = bar (1);
int g = bar (6);
int h = 0 ? bar (7) : 1;
h += 0 ? bar (8) : 1;
if (0)
bar (9);
else
bar (10);
if (1)
bar (11);
else
bar (12);
if constexpr (0)
bar (13);
else
bar (14);
if constexpr (1)
bar (15);
else
bar (16);
return 0;
}
template <typename T>
void
qux ()
{
// Used to give errors errors here, but not since we moved consteval
// function folding to cp_fold_r which isn't called on uninstantiated
// templates.
if (0)
bar (2);
else
bar (3);
if (1)
bar (4);
else
bar (5);
if constexpr (0)
bar (6);
else
bar (7);
if constexpr (1)
bar (8);
else
bar (9);
if (0)
bar ((T) 2);
else
bar ((T) 3);
if (1)
bar ((T) 4);
else
bar ((T) 5);
if constexpr (0)
bar ((T) 6);
else
bar ((T) 7);
if constexpr (1)
bar ((T) 8);
else
bar ((T) 9);
}
template <typename T>
void
quux ()
{
if (0)
bar ((T) 2); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
else
bar ((T) 3); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
if (1)
bar ((T) 4); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
else
bar ((T) 5); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
if constexpr (0)
bar ((T) 6);
else
bar ((T) 7); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
if constexpr (1)
bar ((T) 8); // { dg-message "in 'constexpr' expansion of" }
// { dg-error "call to consteval function" "" { target *-*-* } .-1 }
else
bar ((T) 9);
}
void
corge ()
{
quux <int> ();
}
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