[Buildroot] [git commit branch/next] toolchain: introduce BR2_TOOLCHAIN_HAS_GCC_BUG_101916

[Thomas Petazzoni]

commit: https://git.buildroot.net/buildroot/commit/?id=25c092b15b2002400b7175fd4997038ac5c86e9f
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/next

heirloom-mailx package fails to build for the SH4 architecture with
optimization enabled with gcc = 11.1.0:
http://autobuild.buildroot.net/results/911/911f5c024834741754102ff1bbb05c4a64c54a0b/

It's been reported upstream:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101916

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

diff --git a/toolchain/Config.in b/toolchain/Config.in
index fba1589e38..1d0469a13e 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -197,6 +197,13 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_101915
 	bool
 	default y if BR2_microblaze
 
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101916
+# ICE: on SH4: Segmentation fault signal terminated program cc1.
+# This bug still exists in gcc = 11.1.0
+config BR2_TOOLCHAIN_HAS_GCC_BUG_101916
+	bool
+	default y if BR2_sh4
+
 config BR2_TOOLCHAIN_HAS_NATIVE_RPC
 	bool