Trivial patch to fix the inversion of -fconcepts and -fno-concepts.
2014-10-18 Braden Obrzut <ad...@maniacsvault.net>
* gcc/c-family/c.opt (flag_concepts): The concepts option was inverted.
diff --git a/gcc/c-family/c.opt b/gcc/c-family/c.opt
index c1645ea..c165477 100644
--- a/gcc/c-family/c.opt
+++ b/gcc/c-family/c.opt
@@ -924,7 +924,7 @@ C ObjC C++ ObjC++
Where shorter, use canonicalized paths to systems headers.
fconcepts
-C++ ObjC++ Var(flag_concepts, false)
+C++ ObjC++ Var(flag_concepts)
Enable support for C++ concepts
fcilkplus
