| /* Copyright (C) 2002 Free Software Foundation, Inc. |
| |
| Tests we warn about overly-large assignments to bitfields. |
| |
| Source: Neil Booth, 28 Jan 2002. |
| */ |
| |
| struct bf |
| { |
| unsigned int a: 2; |
| int b: 2; |
| }; |
| |
| struct bf p = {4, 0}; /* { dg-warning "unsigned conversion from .int. to 'unsigned char:2' changes value from .4. to .0." } */ |
| struct bf q = {0, 2}; /* { dg-warning "overflow in conversion from .int. to .signed char:2. changes value from .2. to .-2." } */ |
| struct bf r = {3, -2}; /* { dg-bogus "(trunc|overflow)" } */ |
| |
| void foo () |
| { |
| p.a = 4, p.b = 0; /* { dg-warning "unsigned conversion from .int. to .unsigned char:2. changes value from .4. to .0." } */ |
| q.a = 0, q.b = 2; /* { dg-warning "overflow in conversion from .int. to .signed char:2. changes value from .2. to .-2." } */ |
| r.a = 3, r.b = -2; /* { dg-bogus "(trunc|overflow)" } */ |
| } |
