[Buildroot] [PATCH 2/6] arch: mark NIOS II as affected by GCC PR libstdc++/64735

[Jörg Krause]

NIOS II does not support always lock-free atomic ints. Therefore,
exception_ptr, nested_exception, and future from libstdc++ are not
available before GCC 7.

Signed-off-by: Jörg Krause <joerg.krause at embedded.rocks>
---
 arch/Config.in | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/Config.in b/arch/Config.in
index 7149b2cb3..31e674d92 100644
--- a/arch/Config.in
+++ b/arch/Config.in
@@ -154,6 +154,7 @@ config BR2_mips64el
 config BR2_nios2
 	bool "Nios II"
 	select BR2_ARCH_HAS_MMU_MANDATORY
+	select BR2_TOOLCHAIN_HAS_GCC_BUG_64735
 	help
 	  Nios II is a soft core processor from Altera Corporation.
 	  http://www.altera.com/
-- 
2.11.1