[gcc r11-7149] libstdc++: Make coroutine_handle<_Promise>::from_address() noexcept [PR 99021]

[Jonathan Wakely]

https://gcc.gnu.org/g:26a3f288f1895a8c061c0458590542a3d2ee796a

commit r11-7149-g26a3f288f1895a8c061c0458590542a3d2ee796a
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Feb 9 11:23:29 2021 +0000

    libstdc++: Make coroutine_handle<_Promise>::from_address() noexcept [PR 99021]
    
    The coroutine_handle<void>::from_address(void*) version is already
    noexcept, and they do the same thing. Make them consistent.
    
    libstdc++-v3/ChangeLog:
    
            PR libstdc++/99021
            * include/std/coroutine (coroutine_handle<P>::from_address): Add
            noexcept.

Diff:
---
 libstdc++-v3/include/std/coroutine | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libstdc++-v3/include/std/coroutine b/libstdc++-v3/include/std/coroutine
index e69024caf4c..209deb7bb42 100644
--- a/libstdc++-v3/include/std/coroutine
+++ b/libstdc++-v3/include/std/coroutine
@@ -206,7 +206,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
       constexpr void* address() const noexcept { return _M_fr_ptr; }
 
-      constexpr static coroutine_handle from_address(void* __a)
+      constexpr static coroutine_handle from_address(void* __a) noexcept
       {
 	coroutine_handle __self;
 	__self._M_fr_ptr = __a;