1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -Wcast-align -verify %s 2 3 // Simple casts. 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. 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
