1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -Wcast-align -verify %s
6 short *b = (short*) P; // expected-warning {{cast from 'char *' to 'short *' increases required alignment from 1 to 2}}
7 int *c = (int*) P; // expected-warning {{cast from 'char *' to 'int *' increases required alignment from 1 to 4}}
10 // Casts from void* are a special case.
13 short *b = (short*) P;
16 const volatile void *P2 = P;
18 short *e = (short*) P2;
21 const char *g = (const char*) P2;
22 const short *h = (const short*) P2;
23 const int *i = (const int*) P2;
25 const volatile char *j = (const volatile char*) P2;
26 const volatile short *k = (const volatile short*) P2;
27 const volatile int *l = (const volatile int*) P2;
31 struct __attribute__((aligned(16))) A {
35 struct A *a = (struct A*) P; // expected-warning {{cast from 'char *' to 'struct A *' increases required alignment from 1 to 16}}
40 struct B *b = (struct B*) P;
43 // Do not issue a warning. The aligned attribute changes the alignment of the
44 // variables and fields.
45 char __attribute__((aligned(4))) a[16];
52 char __attribute__((aligned(4))) a[16];
53 struct S0 __attribute__((aligned(4))) s0;