1 /* PR c/59940 */
2 /* { dg-do compile } */
3 /* { dg-options "-Wconversion -Woverflow" } */
4
5 int f (unsigned int);
6 typedef sitype __attribute__((mode(SI)));
7
8 int
g(void)9 g (void)
10 {
11 sitype si = 12;
12 unsigned int ui = -1; /* { dg-warning "21:negative integer implicitly converted to unsigned type" } */
13 unsigned char uc;
14 ui = si; /* { dg-warning "8:conversion" } */
15 si = 0x80000000; /* { dg-warning "8:conversion of unsigned constant value to negative integer" } */
16 si = 3.2f; /* { dg-warning "8:conversion" } */
17 uc = 256; /* { dg-warning "8:large integer implicitly truncated to unsigned type" } */
18 si = 0x800000000; /* { dg-warning "8:overflow in implicit constant conversion" } */
19 return f (si) /* { dg-warning "13:conversion" } */
20 + f (si); /* { dg-warning "15:conversion" } */
21 }
22
23 int
y(void)24 y (void)
25 {
26 f (); /* { dg-error "3:too few arguments to function" } */
27 g (0xa); /* { dg-error "3:too many arguments to function" } */
28 }
29