| Jordan Rose | d73ef13 | 2012-06-06 17:25:21 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors %s |
| 2 | // RUN: %clang_cc1 -fsyntax-only -std=c99 -emit-pch -o %t %s |
| 3 | // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -include-pch %t %s |
| 4 | |
| 5 | // RUN: %clang_cc1 -fsyntax-only -std=c99 -pedantic-errors -DINCLUDED %s -verify |
| 6 | // This last one should warn for -Wempty-translation-unit (C99 6.9p1). |
| 7 | |
| 8 | #if defined(INCLUDED) |
| 9 | |
| 10 | // empty except for the prefix header |
| 11 | |
| 12 | #elif defined(HEADER) |
| 13 | |
| 14 | typedef int my_int; |
| 15 | #define INCLUDED |
| 16 | |
| 17 | #else |
| 18 | |
| 19 | #define HEADER |
| 20 | #include "empty-with-headers.c" |
| 21 | // empty except for the header |
| 22 | |
| 23 | #endif |
| 24 | |
| 25 | // This should only fire if the header is not included, |
| 26 | // either explicitly or as a prefix header. |
| 27 | // expected-error{{ISO C requires a translation unit to contain at least one declaration.}} |