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
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// Simple casts.
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void test0(char *P) {
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char *a; short *b; int *c;
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a = (char*) P;
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a = static_cast<char*>(P);
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a = reinterpret_cast<char*>(P);
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typedef char *CharPtr;
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a = CharPtr(P);
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b = (short*) P; // expected-warning {{cast from 'char *' to 'short *' increases required alignment from 1 to 2}}
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b = reinterpret_cast<short*>(P);
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typedef short *ShortPtr;
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b = ShortPtr(P); // expected-warning {{cast from 'char *' to 'ShortPtr' (aka 'short *') increases required alignment from 1 to 2}}
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c = (int*) P; // expected-warning {{cast from 'char *' to 'int *' increases required alignment from 1 to 4}}
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c = reinterpret_cast<int*>(P);
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typedef int *IntPtr;
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c = IntPtr(P); // expected-warning {{cast from 'char *' to 'IntPtr' (aka 'int *') increases required alignment from 1 to 4}}
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}
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// Casts from void* are a special case.
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void test1(void *P) {
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char *a; short *b; int *c;
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a = (char*) P;
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a = static_cast<char*>(P);
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a = reinterpret_cast<char*>(P);
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typedef char *CharPtr;
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a = CharPtr(P);
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b = (short*) P;
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b = static_cast<short*>(P);
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b = reinterpret_cast<short*>(P);
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typedef short *ShortPtr;
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b = ShortPtr(P);
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c = (int*) P;
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c = static_cast<int*>(P);
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c = reinterpret_cast<int*>(P);
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typedef int *IntPtr;
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c = IntPtr(P);
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}
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