diff --git a/toolchain/Config.in b/toolchain/Config.in
index d5f1176178..01d93517bd 100644
--- a/toolchain/Config.in
+++ b/toolchain/Config.in
@@ -183,6 +183,13 @@ config BR2_TOOLCHAIN_HAS_GCC_BUG_101737
 	bool
 	default y if BR2_sh4
 
+# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101952
+# ICE: on SH4: unaligned opcodes detected in executable segment.
+# This bug still exists in gcc = 11.1.0
+config BR2_TOOLCHAIN_HAS_GCC_BUG_101952
+	bool
+	default y if BR2_sh4
+
 config BR2_TOOLCHAIN_HAS_NATIVE_RPC
 	bool