1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -Wcast-align -verify %s
2
3// Simple casts.
4void test0(char *P) {
5  char *a; short *b; int *c;
6
7  a = (char*) P;
8  a = static_cast<char*>(P);
9  a = reinterpret_cast<char*>(P);
10  typedef char *CharPtr;
11  a = CharPtr(P);
12
13  b = (short*) P; // expected-warning {{cast from 'char *' to 'short *' increases required alignment from 1 to 2}}
14  b = reinterpret_cast<short*>(P);
15  typedef short *ShortPtr;
16  b = ShortPtr(P); // expected-warning {{cast from 'char *' to 'ShortPtr' (aka 'short *') increases required alignment from 1 to 2}}
17
18  c = (int*) P; // expected-warning {{cast from 'char *' to 'int *' increases required alignment from 1 to 4}}
19  c = reinterpret_cast<int*>(P);
20  typedef int *IntPtr;
21  c = IntPtr(P); // expected-warning {{cast from 'char *' to 'IntPtr' (aka 'int *') increases required alignment from 1 to 4}}
22}
23
24// Casts from void* are a special case.
25void test1(void *P) {
26  char *a; short *b; int *c;
27
28  a = (char*) P;
29  a = static_cast<char*>(P);
30  a = reinterpret_cast<char*>(P);
31  typedef char *CharPtr;
32  a = CharPtr(P);
33
34  b = (short*) P;
35  b = static_cast<short*>(P);
36  b = reinterpret_cast<short*>(P);
37  typedef short *ShortPtr;
38  b = ShortPtr(P);
39
40  c = (int*) P;
41  c = static_cast<int*>(P);
42  c = reinterpret_cast<int*>(P);
43  typedef int *IntPtr;
44  c = IntPtr(P);
45}
46