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1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -Wcast-align -verify %s
2 
3 // Simple casts.
test0(char * P)4 void 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.
test1(void * P)25 void 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