| Chris Lattner | 611b2ec | 2008-07-26 19:51:01 +0000 | [diff] [blame] | 1 | // RUN: clang %s -fsyntax-only -verify |
| Chris Lattner | ab18c4c | 2007-07-24 16:58:17 +0000 | [diff] [blame] | 2 | |
| 3 | typedef unsigned __uint32_t; |
| 4 | |
| 5 | #define __byte_swap_int_var(x) \ |
| 6 | __extension__ ({ register __uint32_t __X = (x); \ |
| 7 | __asm ("bswap %0" : "+r" (__X)); \ |
| 8 | __X; }) |
| 9 | |
| 10 | int test(int _x) { |
| 11 | return (__byte_swap_int_var(_x)); |
| 12 | } |
| Chris Lattner | 611b2ec | 2008-07-26 19:51:01 +0000 | [diff] [blame] | 13 | |
| 14 | // PR2374 |
| 15 | int test2() { return ({L:5;}); } |
| 16 | int test3() { return ({ {5;} }); } // expected-error {{incompatible type returning 'void', expected 'int'}}\ |
| 17 | // expected-warning {{expression result unused}} |
| 18 | int test4() { return ({ ({5;}); }); } |
| 19 | int test5() { return ({L1: L2: L3: 5;}); } |
| 20 | int test6() { return ({5;}); } |
| 21 | void test7() { ({5;}); } // expected-warning {{expression result unused}} |
| 22 | |
| Eli Friedman | dca2b73 | 2009-01-24 23:09:00 +0000 | [diff] [blame] | 23 | // PR3062 |
| 24 | int x[({10;})]; // expected-error {{illegal statement expression}} |