| /* RUN: %clang_cc1 -std=c89 -fsyntax-only -verify -DC89 -Wno-c11-extensions %s |
| RUN: %clang_cc1 -std=c99 -fsyntax-only -verify -DC99 -Wno-c11-extensions %s |
| RUN: %clang_cc1 -std=c11 -fsyntax-only -verify -DC11 %s |
| RUN: %clang_cc1 -std=c17 -fsyntax-only -verify -DC17 %s |
| RUN: %clang_cc1 -std=c2x -fsyntax-only -verify -DC2X %s |
| */ |
| |
| /* expected-no-diagnostics */ |
| |
| /* WG14 DR411: yes |
| * Predefined macro values |
| * |
| * Note: the DR is about the C11 macro value, but we'll test all the standard |
| * version macro values just to be sure. We do not need to test |
| * __STDC_LIB_EXT1__ values because that requires an Annex K-compatible header. |
| */ |
| #if defined(C89) |
| #ifdef __STDC_VERSION__ |
| #error "C89 didn't have this macro!" |
| #endif |
| #elif defined(C99) |
| _Static_assert(__STDC_VERSION__ == 199901L, ""); |
| #elif defined(C11) |
| _Static_assert(__STDC_VERSION__ == 201112L, ""); |
| #elif defined(C17) |
| _Static_assert(__STDC_VERSION__ == 201710L, ""); |
| #elif defined(C2X) |
| _Static_assert(__STDC_VERSION__ == 202311L, ""); |
| #else |
| #error "unknown language standard version" |
| #endif |
| |
