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// RUN: %clang_cc1 %s -fsyntax-only -verify -fblocks -Wmissing-noreturn -Wno-unreachable-code
int j;
void test1(void) { // expected-warning {{function 'test1' could be declared with attribute 'noreturn'}}
^ (void) { while (1) { } }();
^ (void) { if (j) while (1) { } }();
while (1) { }
}
void test2(void) {
if (j) while (1) { }
}
__attribute__((__noreturn__))
void test2_positive(void) {
if (j) while (1) { }
} // expected-warning{{function declared 'noreturn' should not return}}
// This test case illustrates that we don't warn about the missing return
// because the function is marked noreturn and there is an infinite loop.
extern int foo_test_3(void);
__attribute__((__noreturn__)) void* test3(int arg) {
while (1) foo_test_3();
}
__attribute__((__noreturn__)) void* test3_positive(int arg) {
while (0) foo_test_3();
} // expected-warning{{function declared 'noreturn' should not return}}
// PR5298 - -Wmissing-noreturn shouldn't warn if the function is already
// declared noreturn.
void __attribute__((noreturn))
test4(void) {
test2_positive();
}
// Do not warn here.
_Noreturn void test5(void) {
test2_positive();
}
// rdar://16274746
void test6(void)
{
(void)^{
for(;;)
;
};
}
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