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// RUN: %clang_cc1 -fsyntax-only -verify -Wunused-value %s
int i = 0;
int j = 0;
void foo();
// PR4806
void pr4806() {
1,foo(); // expected-warning {{expression result unused}}
// other
foo();
i; // expected-warning {{expression result unused}}
i,foo(); // expected-warning {{expression result unused}}
foo(),i; // expected-warning {{expression result unused}}
i,j,foo(); // expected-warning {{expression result unused}}
i,foo(),j; // expected-warning {{expression result unused}}
foo(),i,j; // expected-warning {{expression result unused}}
i++;
i++,foo();
foo(),i++;
i++,j,foo(); // expected-warning {{expression result unused}}
i++,foo(),j; // expected-warning {{expression result unused}}
foo(),i++,j; // expected-warning {{expression result unused}}
i,j++,foo(); // expected-warning {{expression result unused}}
i,foo(),j++; // expected-warning {{expression result unused}}
foo(),i,j++; // expected-warning {{expression result unused}}
i++,j++,foo();
i++,foo(),j++;
foo(),i++,j++;
{};
({});
({}),foo();
foo(),({});
(int)1U; // expected-warning {{expression result unused}}
(void)1U;
// pointer to volatile has side effect (thus no warning)
int* pi = &i;
volatile int* pj = &j;
*pi; // expected-warning {{expression result unused}}
*pj;
}
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