46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
|
// 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);
|
||
|
|
}
|