27 lines · c
1// RUN: %clang_cc1 -verify=no-trigraphs -std=c23 %s2// RUN: %clang_cc1 -verify=no-trigraphs -std=gnu23 %s3// RUN: %clang_cc1 -verify=no-trigraphs -std=gnu17 %s4// RUN: %clang_cc1 -verify=no-trigraphs -std=gnu11 %s5// RUN: %clang_cc1 -verify=no-trigraphs -std=gnu99 %s6// RUN: %clang_cc1 -verify=no-trigraphs -std=gnu89 %s7// RUN: %clang_cc1 -verify=trigraphs -std=c17 %s8// RUN: %clang_cc1 -verify=trigraphs -std=c11 %s9// RUN: %clang_cc1 -verify=trigraphs -std=c99 %s10// RUN: %clang_cc1 -verify=trigraphs -std=c89 %s11// RUN: %clang_cc1 -verify=trigraphs -std=c23 -ftrigraphs %s12 13/* WG14 N2940: Clang 1814 * Removing trigraphs??!15 */16 17// Trigraphs are enabled by default in any conforming C mode before C23, but18// are otherwise disabled (in all GNU modes, and in C23 or later).19// The ??= trigraph, if supported, will become the # character, which is a null20// preprocessor directive that does nothing.21 22??=23// no-trigraphs-warning@-1 {{trigraph ignored}} \24 no-trigraphs-error@-1 {{expected identifier or '('}} \25 trigraphs-warning@-1 {{trigraph converted to '#' character}}26 27