diff options
Diffstat (limited to 'test/Sema/warn-unsequenced.c')
| -rw-r--r-- | test/Sema/warn-unsequenced.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/test/Sema/warn-unsequenced.c b/test/Sema/warn-unsequenced.c index a14d3281662b..70163dc0de94 100644 --- a/test/Sema/warn-unsequenced.c +++ b/test/Sema/warn-unsequenced.c @@ -29,6 +29,11 @@ void test() { a = f(a++, 0); // ok a = f(++a, a++); // expected-warning {{multiple unsequenced modifications}} + ++a + f(++a, 0); // expected-warning {{multiple unsequenced modifications}} + f(++a, 0) + ++a; // expected-warning {{multiple unsequenced modifications}} + a++ + f(a++, 0); // expected-warning {{multiple unsequenced modifications}} + f(a++, 0) + a++; // expected-warning {{multiple unsequenced modifications}} + a = ++a; // expected-warning {{multiple unsequenced modifications}} a += ++a; // expected-warning {{unsequenced modification and access}} @@ -48,7 +53,7 @@ void test() { (1 ? a : ++a) + a; // ok (xs[5] ? ++a : ++a) + a; // FIXME: warn here - (++a, xs[6] ? ++a : 0) + a; // FIXME: warn here + (++a, xs[6] ? ++a : 0) + a; // expected-warning {{unsequenced modification and access}} // Here, the read of the fourth 'a' might happen before or after the write to // the second 'a'. @@ -84,5 +89,8 @@ void test() { (__builtin_classify_type(++a) ? 1 : 0) + ++a; // ok (__builtin_constant_p(++a) ? 1 : 0) + ++a; // ok - (__builtin_expect(++a, 0) ? 1 : 0) + ++a; // FIXME: warn here + (__builtin_expect(++a, 0) ? 1 : 0) + ++a; // expected-warning {{multiple unsequenced modifications}} + _Generic(++a, default: 0) + ++a; // ok + sizeof(++a) + ++a; // ok + _Alignof(++a) + ++a; // expected-warning {{extension}} } |