/* Test for constant expressions: C90 aggregate initializers requiring constant expressions. */ /* Origin: Joseph Myers */ /* { dg-do compile } */ /* { dg-options "-std=iso9899:1990 -pedantic-errors -O2" } */ #include #include double atan(double); struct s { double d; }; struct t { int i; }; void f (void) { /* As in PR 14649 for static initializers. */ struct s a = { atan (1.0) }; /* { dg-error "is not a constant expression|near initialization" } */ /* Overflow. */ struct t b = { INT_MAX + 1 }; /* { dg-warning "integer overflow in expression" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 21 } */ struct t c = { DBL_MAX }; /* { dg-warning "overflow in implicit constant conversion" } */ /* { dg-error "overflow in constant expression" "constant" { target *-*-* } 23 } */ /* Bad operator outside sizeof. */ struct s d = { 1 ? 1.0 : atan (a.d) }; /* { dg-error "is not a constant expression|near initialization" } */ }