https://github.com/ClangBuiltLinux/linux/issues/1290

foo.diff

diff --git a/init/Kconfig b/init/Kconfig                                                                                                                                        
index e9119bf54b1f..fce97bfbe452 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -153,7 +153,7 @@ config WERROR
 
 config UAPI_HEADER_TEST
        bool "Compile test UAPI headers"
-       depends on HEADERS_INSTALL && CC_CAN_LINK
+       depends on HEADERS_INSTALL
        help
          Compile test headers exported to user-space to ensure they are
          self-contained, i.e. compilable as standalone units.