| Aaron Ballman | 94d2d09 | 2018-12-18 15:54:38 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-unknown-unknown -fsyntax-only -verify %s |
| 2 | // RUN: %clang_cc1 -triple x86_64-unknown-windows-msvc -fsyntax-only -verify %s |
| 3 | |
| 4 | int printf(const char *restrict, ...); |
| 5 | |
| 6 | struct bitfields { |
| 7 | long a : 2; |
| 8 | unsigned long b : 2; |
| 9 | long c : 32; // assumes that int is 32 bits |
| 10 | unsigned long d : 32; // assumes that int is 32 bits |
| 11 | } bf; |
| 12 | |
| 13 | void bitfield_promotion() { |
| 14 | printf("%ld", bf.a); // expected-warning {{format specifies type 'long' but the argument has type 'int'}} |
| 15 | printf("%lu", bf.b); // expected-warning {{format specifies type 'unsigned long' but the argument has type 'int'}} |
| 16 | printf("%ld", bf.c); // expected-warning {{format specifies type 'long' but the argument has type 'int'}} |
| 17 | printf("%lu", bf.d); // expected-warning {{format specifies type 'unsigned long' but the argument has type 'unsigned int'}} |
| 18 | } |