From 5f38bf14bcb3ffe9fcd482b87cbf381df24a31df Mon Sep 17 00:00:00 2001 From: Joseph Myers Date: Mon, 5 Sep 2022 22:05:06 +0000 Subject: preprocessor: Disable trigraphs for C2x ISO C2x removes trigraphs, so disable them accordingly for -std=c2x (they can still be enabled using -trigraphs). Bootstrapped with no regressions for x86_64-pc-linux-gnu. libcpp/ * init.cc (lang_defaults): Disable trigraphs for C2x. gcc/testsuite/ * gcc.dg/cpp/c11-trigraphs-1.c, gcc.dg/cpp/c2x-trigraphs-1.c, gcc.dg/cpp/c2x-trigraphs-2.c: New tests. --- libcpp/init.cc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'libcpp/init.cc') diff --git a/libcpp/init.cc b/libcpp/init.cc index 41b10b3..3e5601a 100644 --- a/libcpp/init.cc +++ b/libcpp/init.cc @@ -112,7 +112,7 @@ static const struct lang_flags lang_defaults[] = /* STDC99 */ { 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 }, /* STDC11 */ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 }, /* STDC17 */ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0 }, - /* STDC2X */ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0 }, + /* STDC2X */ { 1, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0 }, /* GNUCXX */ { 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 }, /* CXX98 */ { 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0 }, /* GNUCXX11 */ { 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0 }, -- cgit v1.1