init/Kconfig: lower GCC version check for -Warray-bounds

We continue to see false positives from -Warray-bounds even in GCC 10,
which is getting reported in a few places[1] still:

security/security.c:811:2: warning: `memcpy' offset 32 is out of the bounds [0, 0] [-Warray-bounds]

Lower the GCC version check from 11 to 10.

Link: https://lkml.kernel.org/r/[email protected]
Reported-by: Lu Yao <[email protected]>
Closes: https://lore.kernel.org/lkml/[email protected]/
Link: https://lore.kernel.org/linux-next/[email protected] [1]
Signed-off-by: Kees Cook <[email protected]>
Reviewed-by: Paul Moore <[email protected]>
Cc: Ard Biesheuvel <[email protected]>
Cc: Christophe Leroy <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: "Gustavo A. R. Silva" <[email protected]>
Cc: Johannes Weiner <[email protected]>
Cc: Marc Aurèle La France <[email protected]>
Cc: Masahiro Yamada <[email protected]>
Cc: Nathan Chancellor <[email protected]>
Cc: Nhat Pham <[email protected]>
Cc: Petr Mladek <[email protected]>
Cc: Randy Dunlap <[email protected]>
Cc: Suren Baghdasaryan <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: kees

init/Kconfig

@@ -876,14 +876,14 @@ config CC_IMPLICIT_FALLTHROUGH
 	default "-Wimplicit-fallthrough=5" if CC_IS_GCC && $(cc-option,-Wimplicit-fallthrough=5)
 	default "-Wimplicit-fallthrough" if CC_IS_CLANG && $(cc-option,-Wunreachable-code-fallthrough)
 
-# Currently, disable gcc-11+ array-bounds globally.
+# Currently, disable gcc-10+ array-bounds globally.
 # It's still broken in gcc-13, so no upper bound yet.
-config GCC11_NO_ARRAY_BOUNDS
+config GCC10_NO_ARRAY_BOUNDS
 	def_bool y
 
 config CC_NO_ARRAY_BOUNDS
 	bool
-	default y if CC_IS_GCC && GCC_VERSION >= 110000 && GCC11_NO_ARRAY_BOUNDS
+	default y if CC_IS_GCC && GCC_VERSION >= 100000 && GCC10_NO_ARRAY_BOUNDS
 
 # Currently, disable -Wstringop-overflow for GCC globally.
 config GCC_NO_STRINGOP_OVERFLOW