Re: [PATCH] libstdc++: Add C++2a synchronization support

[Stephan Bergmann via Gcc-patches]

On 20/11/2020 23:44, Thomas Rodgers wrote:
Tested x86_64-pc-linux-gnu, committed.

...and there are multiple definition complaints from the linker because 
of two missing "include":

index 7b2682a577e..23ab2018ca8 100644
--- a/libstdc++-v3/include/bits/atomic_wait.h
+++ b/libstdc++-v3/include/bits/atomic_wait.h
@@ -223,7 +223,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       { _M_w._M_do_wait(_M_version); }
     };
 
-    void
+    inline void
     __thread_relax() noexcept
     {
 #if defined __i386__ || defined __x86_64__
@@ -233,7 +233,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 #endif
     }
 
-    void
+    inline void
     __thread_yield() noexcept
    {
 #if defined _GLIBCXX_USE_SCHED_YIELD