blob: b14daa702dd632df8a84482ae2f2c454d621cdde [file] [log] [blame]
// RUN: clang -fsyntax-only -verify %s
int foo(int X, int Y);
void bar(volatile int *VP, int *P, int A,
_Complex double C, volatile _Complex double VC) {
VP == P; // expected-warning {{expression result unused}}
(void)A;
(void)foo(1,2); // no warning.
A == foo(1, 2); // expected-warning {{expression result unused}}
foo(1,2)+foo(4,3); // expected-warning {{expression result unused}}
*P; // expected-warning {{expression result unused}}
*VP; // no warning.
P[4]; // expected-warning {{expression result unused}}
VP[4]; // no warning.
// FIXME: SEMA explodes on these.
//__real__ C;
//__real__ VC;
}
extern void t1();
extern void t2();
void t3(int c) {
c ? t1() : t2();
}
// This shouldn't warn: the expr at the end of the stmtexpr really is used.
int stmt_expr(int x, int y) {
return ({int _a = x, _b = y; _a > _b ? _a : _b; });
}
void nowarn(unsigned char* a, unsigned char* b)
{
unsigned char c = 1;
*a |= c, *b += c;
}