// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -Wcast-align -verify %s // Simple casts. void test0(char *P) { char *a; short *b; int *c; a = (char*) P; a = static_cast<char*>(P); a = reinterpret_cast<char*>(P); typedef char *CharPtr; a = CharPtr(P); b = (short*) P; // expected-warning {{cast from 'char *' to 'short *' increases required alignment from 1 to 2}} b = reinterpret_cast<short*>(P); typedef short *ShortPtr; b = ShortPtr(P); // expected-warning {{cast from 'char *' to 'ShortPtr' (aka 'short *') increases required alignment from 1 to 2}} c = (int*) P; // expected-warning {{cast from 'char *' to 'int *' increases required alignment from 1 to 4}} c = reinterpret_cast<int*>(P); typedef int *IntPtr; c = IntPtr(P); // expected-warning {{cast from 'char *' to 'IntPtr' (aka 'int *') increases required alignment from 1 to 4}} } // Casts from void* are a special case. void test1(void *P) { char *a; short *b; int *c; a = (char*) P; a = static_cast<char*>(P); a = reinterpret_cast<char*>(P); typedef char *CharPtr; a = CharPtr(P); b = (short*) P; b = static_cast<short*>(P); b = reinterpret_cast<short*>(P); typedef short *ShortPtr; b = ShortPtr(P); c = (int*) P; c = static_cast<int*>(P); c = reinterpret_cast<int*>(P); typedef int *IntPtr; c = IntPtr(P); } |