From: Jason Merrill <jason@redhat.com>
Date: Tue, 12 Nov 2024 00:27:52 +0000 (-0500)
Subject: c++: module dialect tweak
X-Git-Tag: basepoints/gcc-16~4271
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e8ebc91615a088b47db6e6b000b7b154b267ea0e;p=thirdparty%2Fgcc.git

c++: module dialect tweak

Coroutines have been enabled by -std=c++20 since GCC 11.

gcc/cp/ChangeLog:

	* module.cc (module_state_config::get_dialect): Expect coroutines in
	C++20.
---

diff --git a/gcc/cp/module.cc b/gcc/cp/module.cc
index 4eefb2d35840..fe9cdd9bc242 100644
--- a/gcc/cp/module.cc
+++ b/gcc/cp/module.cc
@@ -15166,9 +15166,10 @@ module_state_config::get_dialect ()
 		      flag_exceptions ? "" : "/no-exceptions",
 		      flag_rtti ? "" : "/no-rtti",
 		      flag_new_inheriting_ctors ? "" : "/old-inheriting-ctors",
-		      /* C++ 20 implies concepts.  */
+		      /* C++ 20 implies concepts and coroutines.  */
 		      cxx_dialect < cxx20 && flag_concepts ? "/concepts" : "",
-		      flag_coroutines ? "/coroutines" : "",
+		      (cxx_dialect < cxx20 && flag_coroutines
+		       ? "/coroutines" : ""),
 		      flag_module_implicit_inline ? "/implicit-inline" : "",
 		      flag_contracts ? "/contracts" : "",
 		      NULL);