File: pragma-pack.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (58 lines) | stat: -rw-r--r-- 867 bytes parent folder | download | duplicates (38)
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
// RUN: %clang_cc1 -triple i686-apple-darwin9 -fsyntax-only -verify %s
// expected-no-diagnostics

namespace rdar8745206 {

struct Base {
  int i;
};

#pragma pack(push, 1)
struct Sub : public Base {
  char c;
};
#pragma pack(pop)

int check[sizeof(Sub) == 5 ? 1 : -1];

}

namespace check2 {

struct Base {
  virtual ~Base();
  int x;
};

#pragma pack(push, 1)
struct Sub : virtual Base {
  char c;
};
#pragma pack(pop)

int check[sizeof(Sub) == 13 ? 1 : -1];

}

namespace llvm_support_endian {

template<typename, bool> struct X;

#pragma pack(push)
#pragma pack(1)
template<typename T> struct X<T, true> {
  T t;
};
#pragma pack(pop)

#pragma pack(push)
#pragma pack(2)
template<> struct X<long double, true> {
  long double c;
};
#pragma pack(pop)

int check1[__alignof(X<int, true>) == 1 ? 1 : -1];
int check2[__alignof(X<long double, true>) == 2 ? 1 : -1];

}