From: Nicolas Werner <nicolas.werner@hotmail.de>
Date: Tue, 7 Jan 2025 15:26:54 +0000 (+0000)
Subject: libstdc++: add missing to_underlying to module std [PR106852]
X-Git-Tag: basepoints/gcc-16~2857
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=653a44e8613edf6c306687d17cf3039536f1bf12;p=thirdparty%2Fgcc.git

libstdc++: add missing to_underlying to module std [PR106852]

std::to_underlying was missing from the std module introduced in
r15-5366-g7db55c0ba1baaf. This patch adds the missing export for this
utility.

libstdc++-v3/ChangeLog:

	PR libstdc++/106852
	* src/c++23/std.cc.in (to_underlying): Add.

Signed-off-by: Nicolas Werner <nicolas.werner@hotmail.de>
---

diff --git a/libstdc++-v3/src/c++23/std.cc.in b/libstdc++-v3/src/c++23/std.cc.in
index dcba343426c6..c0b7e1dc7271 100644
--- a/libstdc++-v3/src/c++23/std.cc.in
+++ b/libstdc++-v3/src/c++23/std.cc.in
@@ -3173,6 +3173,9 @@ export namespace std
   using std::make_pair;
   using std::piecewise_construct;
   using std::piecewise_construct_t;
+#if __cpp_lib_to_underlying
+  using std::to_underlying;
+#endif
   using std::tuple_element;
   using std::tuple_size;
 #pragma GCC diagnostic push