| /* Test for constant expressions: overflow and constant expressions; |
| see also overflow-warn-*.c for some other cases. */ |
| /* Origin: Joseph Myers <joseph@codesourcery.com> */ |
| /* { dg-do compile } */ |
| /* { dg-options "-std=iso9899:1990 -pedantic-errors" } */ |
| |
| #include <float.h> |
| |
| int a = DBL_MAX; /* { dg-warning "overflow in conversion" } */ |
| /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */ |
| int b = (int) DBL_MAX; /* { dg-error "overflow" } */ |
| unsigned int c = -1.0; /* { dg-warning "overflow in conversion" } */ |
| /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */ |
| unsigned int d = (unsigned)-1.0; /* { dg-error "overflow" } */ |
| |
| int e = 0 << 1000; /* { dg-warning "shift count" } */ |
| /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ |
| int f = 0 << -1; /* { dg-warning "shift count" } */ |
| /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ |
| int g = 0 >> 1000; /* { dg-warning "shift count" } */ |
| /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ |
| int h = 0 >> -1; /* { dg-warning "shift count" } */ |
| /* { dg-error "constant" "constant" { target *-*-* } .-1 } */ |
| |
| int b1 = (0 ? (int) DBL_MAX : 0); |
| unsigned int d1 = (0 ? (unsigned int)-1.0 : 0); |
| int e1 = (0 ? 0 << 1000 : 0); |
| int f1 = (0 ? 0 << -1 : 0); |
| int g1 = (0 ? 0 >> 1000 : 0); |
| int h1 = (0 ? 0 >> -1: 0); |
| |
| int i = -1 << 0; |
| |
| int j[1] = { DBL_MAX }; /* { dg-warning "overflow in conversion" } */ |
| /* { dg-error "overflow in constant expression" "constant" { target *-*-* } .-1 } */ |
