| Benjamin Kramer | 054faa5 | 2013-03-29 21:43:21 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -fsyntax-only -verify -std=c89 -Wno-sizeof-array-decay |
| Andy Gibbs | c6e68da | 2012-10-19 12:44:48 +0000 | [diff] [blame] | 2 | // expected-no-diagnostics |
| Chris Lattner | e174acc | 2008-07-25 20:02:29 +0000 | [diff] [blame] | 3 | // rdar://6095180 |
| 4 | |
| Chris Lattner | e174acc | 2008-07-25 20:02:29 +0000 | [diff] [blame] | 5 | struct s { char c[17]; }; |
| Chris Lattner | f6e1e30 | 2008-07-25 20:54:07 +0000 | [diff] [blame] | 6 | extern struct s foo(void); |
| Chris Lattner | e174acc | 2008-07-25 20:02:29 +0000 | [diff] [blame] | 7 | |
| Chris Lattner | f6e1e30 | 2008-07-25 20:54:07 +0000 | [diff] [blame] | 8 | struct s a, b, c; |
| Chris Lattner | e174acc | 2008-07-25 20:02:29 +0000 | [diff] [blame] | 9 | |
| Chris Lattner | f6e1e30 | 2008-07-25 20:54:07 +0000 | [diff] [blame] | 10 | int A[sizeof((foo().c)) == 17 ? 1 : -1]; |
| 11 | int B[sizeof((a.c)) == 17 ? 1 : -1]; |
| 12 | |
| 13 | |
| Chris Lattner | 61f60a0 | 2008-07-25 21:33:13 +0000 | [diff] [blame] | 14 | // comma does not promote array/function in c90 unless they are lvalues. |
| Douglas Gregor | cb2b662 | 2010-07-15 18:47:04 +0000 | [diff] [blame] | 15 | int W[sizeof(0, a.c) == sizeof(char*) ? 1 : -1]; |
| 16 | int X[sizeof(0, (foo().c)) == 17 ? 1 : -1]; |
| 17 | int Y[sizeof(0, (a,b).c) == 17 ? 1 : -1]; |
| 18 | int Z[sizeof(0, (a=b).c) == 17 ? 1 : -1]; |