[Buildroot] [PATCH 1/2] toolchain: introduce BR2_TOOLCHAIN_HAS_GCC_BUG_102472

[Giulio Benetti]

python-uvloop package hang while building for the m68k architecture with
optimization enabled with gcc = 11.2.0:
http://autobuild.buildroot.net/results/17d/17d6e6422abadcd6313c430c40f2a5d7162dbbd3/

It's been reported upstream:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102472

Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
---
 toolchain/Config.in | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/toolchain/Config.in b/toolchain/Config.in
index 8b01067105..adb4d63759 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -210,6 +210,13 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_101952
 	bool
 	default y if BR2_sh4
 
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102472
+# ICE: on m68k it enters an infinite loop
+# This bug still exists in gcc = 11.2.0
+config BR2_TOOLCHAIN_HAS_GCC_BUG_102472
+	bool
+	default y if BR2_m68k
+
 config BR2_TOOLCHAIN_HAS_NATIVE_RPC
 	bool
 
-- 
2.25.1