re PR c++/13684 (local static object variable constructed once but ctors and dtors...

[gcc.git] / gcc / c.opt

diff --git a/gcc/c.opt b/gcc/c.opt
index b84c5ba84081be4eaf77c8841bd84a517d40451b..c93fe7e895a538716a6e82baa17d322d17ce71d7 100644 (file)
--- a/gcc/c.opt
+++ b/gcc/c.opt
@@ -675,6 +675,10 @@ C++ ObjC++ Joined RejectNegative UInteger
 fthis-is-variable
 C++ ObjC++
 
+fthreadsafe-statics
+C++ ObjC++
+-fno-threadsafe-statics        Do not generate thread-safe code for initializing local statics.
+
 funsigned-bitfields
 C ObjC C++ ObjC++
 When \"signed\" or \"unsigned\" is not given make the bitfield unsigned