blob: 083c28ffbb3d42e694b06bb427e3ea428393a551 (
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
29
30
31
32
|
// RUN: %clang_cc1 %s -verify
// expected-no-diagnostics
namespace PromotionVersusMutation {
typedef unsigned Unsigned;
typedef signed Signed;
struct T { unsigned n : 2; } t;
typedef __typeof__(t.n) Unsigned; // Bitfield is unsigned
typedef __typeof__(+t.n) Signed; // ... but promotes to signed.
typedef __typeof__(t.n + 0) Signed; // Arithmetic promotes.
typedef __typeof__(t.n = 0) Unsigned; // Assignment produces an lvalue...
typedef __typeof__(t.n += 0) Unsigned;
typedef __typeof__(t.n *= 0) Unsigned;
typedef __typeof__(+(t.n = 0)) Signed; // ... which is a bit-field.
typedef __typeof__(+(t.n += 0)) Signed;
typedef __typeof__(+(t.n *= 0)) Signed;
typedef __typeof__(++t.n) Unsigned; // Increment is equivalent to compound-assignment.
typedef __typeof__(--t.n) Unsigned;
typedef __typeof__(+(++t.n)) Signed;
typedef __typeof__(+(--t.n)) Signed;
typedef __typeof__(t.n++) Unsigned; // Post-increment's result has the type
typedef __typeof__(t.n--) Unsigned; // of the operand...
typedef __typeof__(+(t.n++)) Unsigned; // ... and is not a bit-field (because
typedef __typeof__(+(t.n--)) Unsigned; // it's not a glvalue).
}
|
