| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wmissing-noreturn -fobjc-exceptions -Wno-objc-root-class %s |
| 2 | |
| 3 | int test1() { |
| 4 | id a; |
| 5 | @throw a; |
| 6 | } |
| 7 | |
| 8 | // PR5286 |
| 9 | void test2(int a) { |
| 10 | while (1) { |
| 11 | if (a) |
| 12 | return; |
| 13 | } |
| 14 | } |
| 15 | |
| 16 | // PR5286 |
| 17 | void test3(int a) { // expected-warning {{function 'test3' could be declared with attribute 'noreturn'}} |
| 18 | while (1) { |
| 19 | if (a) |
| 20 | @throw (id)0; |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | // <rdar://problem/4289832> - This code always returns, we should not |
| 25 | // issue a noreturn warning. |
| 26 | @class NSException; |
| 27 | @class NSString; |
| 28 | NSString *rdar_4289832() { // no-warning |
| 29 | @try |
| 30 | { |
| 31 | return @"a"; |
| 32 | } |
| 33 | @catch(NSException *exception) |
| 34 | { |
| 35 | return @"b"; |
| 36 | } |
| 37 | @finally |
| 38 | { |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | void exit(int) __attribute__((noreturn)); |
| 43 | @interface rdar10098695 |
| 44 | @end |
| 45 | |
| 46 | @implementation rdar10098695 |
| 47 | - (void)method { // expected-warning{{method 'method' could be declared with attribute 'noreturn'}} |
| 48 | exit(1); |
| 49 | } |
| 50 | @end |
| 51 | |