29 lines
1.2 KiB
C++
29 lines
1.2 KiB
C++
// RUN: %clang_cc1 %s -verify -Wsizeof-pointer-div -fsyntax-only
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template <typename Ty, int N>
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int f(Ty (&Array)[N]) {
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return sizeof(Array) / sizeof(Ty); // Should not warn
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}
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void test(int *p, int **q) {
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int a1 = sizeof(p) / sizeof(*p); // expected-warning {{'sizeof (p)' will return the size of the pointer, not the array itself}}
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int a2 = sizeof p / sizeof *p; // expected-warning {{'sizeof p' will return the size of the pointer, not the array itself}}
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int a3 = sizeof(*q) / sizeof(**q); // expected-warning {{'sizeof (*q)' will return the size of the pointer, not the array itself}}
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int a4 = sizeof(p) / sizeof(int); // expected-warning {{'sizeof (p)' will return the size of the pointer, not the array itself}}
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int a5 = sizeof(p) / sizeof(p[0]); // expected-warning {{'sizeof (p)' will return the size of the pointer, not the array itself}}
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// Should not warn
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int b1 = sizeof(int *) / sizeof(int);
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int b2 = sizeof(p) / sizeof(p);
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int b3 = sizeof(*q) / sizeof(q);
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int b4 = sizeof(p) / sizeof(char);
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int arr[10];
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int b5 = sizeof(arr) / sizeof(*arr);
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int b6 = sizeof(arr) / sizeof(arr[0]);
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int b7 = sizeof(arr) / sizeof(int);
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int arr2[10][12];
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int b8 = sizeof(arr2) / sizeof(*arr2);
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}
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