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// RUN: %clang_cc1 -fsyntax-only -verify %s
void f(int x) {
char foo[10];
int bar[20];
char qux[30];
(void)sizeof(bar + 10); // expected-warning{{sizeof on pointer operation will return size of 'int *' instead of 'int [20]'}}
(void)sizeof(foo - 20); // expected-warning{{sizeof on pointer operation will return size of 'char *' instead of 'char [10]'}}
(void)sizeof(bar - x); // expected-warning{{sizeof on pointer operation will return size of 'int *' instead of 'int [20]'}}
(void)sizeof(foo + x); // expected-warning{{sizeof on pointer operation will return size of 'char *' instead of 'char [10]'}}
// This is ptrdiff_t.
(void)sizeof(foo - qux); // no-warning
(void)sizeof(foo, x); // no-warning
(void)sizeof(x, foo); // expected-warning{{sizeof on pointer operation will return size of 'char *' instead of 'char [10]'}}
}
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