blob: c9e41541f2b84299cad04ce0d9951e1ecdefbe4b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
/* Test for constant expressions: overflow and constant expressions
with -fwrapv: overflows still count as such for the purposes of
constant expressions even when they have defined values at
runtime. */
/* Origin: Joseph Myers <joseph@codesourcery.com> */
/* { dg-do compile } */
/* { dg-options "-std=iso9899:1990 -pedantic-errors -fwrapv" } */
#include <limits.h>
enum e {
E0 = 0 * (INT_MAX + 1), /* { dg-warning "21:integer overflow in expression" } */
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
E1 = 0 * (INT_MIN / -1), /* { dg-warning "21:integer overflow in expression" } */
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
E2 = 0 * (INT_MAX * INT_MAX), /* { dg-warning "21:integer overflow in expression" } */
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
E3 = 0 * (INT_MIN - 1), /* { dg-warning "21:integer overflow in expression" } */
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
E4 = 0 * (unsigned)(INT_MIN - 1), /* { dg-warning "31:integer overflow in expression" } */
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
E5 = 0 * -INT_MIN, /* { dg-warning "12:integer overflow in expression" } */
/* { dg-error "3:overflow in constant expression" "constant" { target *-*-* } .-1 } */
E6 = 0 * !-INT_MIN, /* { dg-warning "13:integer overflow in expression" } */
/* { dg-error "8:not an integer constant" "constant" { target *-*-* } .-1 } */
E7 = INT_MIN % -1 /* { dg-warning "16:integer overflow in expression" } */
/* { dg-error "1:overflow in constant expression" "constant" { target *-*-* } .+1 } */
};
|
