diff options
Diffstat (limited to 'clang/test/Sema/warn-unsequenced.c')
| -rw-r--r-- | clang/test/Sema/warn-unsequenced.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/clang/test/Sema/warn-unsequenced.c b/clang/test/Sema/warn-unsequenced.c index 9654cda9240..fd0227b479a 100644 --- a/clang/test/Sema/warn-unsequenced.c +++ b/clang/test/Sema/warn-unsequenced.c @@ -40,18 +40,18 @@ void test() { A agg1 = { a++, a++ }; // expected-warning {{multiple unsequenced modifications}} A agg2 = { a++ + a, a++ }; // expected-warning {{unsequenced modification and access}} - (xs[2] && (a = 0)) + a; // ok + (xs[2] && (a = 0)) + a; // expected-warning {{unsequenced modification and access to 'a'}} (0 && (a = 0)) + a; // ok (1 && (a = 0)) + a; // expected-warning {{unsequenced modification and access}} - (xs[3] || (a = 0)) + a; // ok + (xs[3] || (a = 0)) + a; // expected-warning {{unsequenced modification and access to 'a'}} (0 || (a = 0)) + a; // expected-warning {{unsequenced modification and access}} (1 || (a = 0)) + a; // ok - (xs[4] ? a : ++a) + a; // ok + (xs[4] ? a : ++a) + a; // expected-warning {{unsequenced modification and access to 'a'}} (0 ? a : ++a) + a; // expected-warning {{unsequenced modification and access}} (1 ? a : ++a) + a; // ok - (xs[5] ? ++a : ++a) + a; // FIXME: warn here + (xs[5] ? ++a : ++a) + a; // expected-warning {{unsequenced modification and access to 'a'}} (++a, xs[6] ? ++a : 0) + a; // expected-warning {{unsequenced modification and access}} @@ -73,10 +73,11 @@ void test() { // unconditional. a = a++ && f(a, a); - // This has undefined behavior if a != 0. FIXME: We should diagnose this. - (a && a++) + a; + // This has undefined behavior if a != 0. + (a && a++) + a; // expected-warning {{unsequenced modification and access to 'a'}} - (xs[7] && ++a) * (!xs[7] && ++a); // ok + // FIXME: Find a way to avoid warning here. + (xs[7] && ++a) * (!xs[7] && ++a); // expected-warning {{multiple unsequenced modifications to 'a'}} xs[0] = (a = 1, a); // ok |
