|
150
|
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 // In C++, the bitfield promotion from long to int does not occur, unlike C.
|
|
|
5 // expected-no-diagnostics
|
|
|
6
|
|
|
7 int printf(const char *restrict, ...);
|
|
|
8
|
|
|
9 struct bitfields {
|
|
|
10 long a : 2;
|
|
|
11 unsigned long b : 2;
|
|
|
12 long c : 32; // assumes that int is 32 bits
|
|
|
13 unsigned long d : 32; // assumes that int is 32 bits
|
|
|
14 } bf;
|
|
|
15
|
|
|
16 void bitfield_promotion() {
|
|
|
17 printf("%ld", bf.a);
|
|
|
18 printf("%lu", bf.b);
|
|
|
19 printf("%ld", bf.c);
|
|
|
20 printf("%lu", bf.d);
|
|
|
21 }
|
