The previous patch left a declaration for flag_concepts, which is bogus.
Applied to branch.
-- Gaby
2013-03-01 Gabriel Dos Reis <g...@integrable-solutions.net>
* lex.c (flag_concepts): Revert left over declaration.
Index: gcc/cp/lex.c
===================================================================
--- gcc/cp/lex.c (revision 196384)
+++ gcc/cp/lex.c (working copy)
@@ -51,9 +51,6 @@
/* A constraint that can be tested at compile time. */
#define CONSTRAINT(name, expr) extern int constraint_##name [(expr) ? 1 : -1]
-/* True if C++ concepts are enabled. */
-bool flag_concepts = true;
-
/* Functions and data structures for #pragma interface.
`#pragma implementation' means that the main file being compiled
