git: 5a969a3459e4 - main - cdefs.h: Move to more regular _Thread_local define

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=5a969a3459e49efaf2ca1dc1d99895ddf04a5d02

commit 5a969a3459e49efaf2ca1dc1d99895ddf04a5d02
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2024-06-21 15:48:48 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2024-06-21 15:53:07 +0000

    cdefs.h: Move to more regular _Thread_local define
    
    Move to trusting C++ environment for thread local storage designation.
    
    Noticed by:             brooks
    Sponsored by:           Netflix
    Differential Revision:  https://reviews.freebsd.org/D45663
---
 sys/sys/cdefs.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/sys/sys/cdefs.h b/sys/sys/cdefs.h
index 419fc260f200..8809240ebbf3 100644
--- a/sys/sys/cdefs.h
+++ b/sys/sys/cdefs.h
@@ -213,12 +213,7 @@
 #endif
 
 #if !__has_extension(c_thread_local)
-/*
- * XXX: Some compilers (Clang 3.3, GCC 4.7) falsely announce C++11 mode
- * without actually supporting the thread_local keyword. Don't check for
- * the presence of C++11 when defining _Thread_local.
- */
-#if /* (defined(__cplusplus) && __cplusplus >= 201103L) || */ \
+#if (defined(__cplusplus) && __cplusplus >= 201103L) ||
     __has_extension(cxx_thread_local)
 #define	_Thread_local		thread_local
 #else