+ /* The use of a trampoline appears to break the
+ arch_os_get_context() workaround for SPARC/Linux. For now,
+ don't use the trampoline (and so be vulnerable to the problems
+ that SA_NODEFER is meant to solve. */
+#if !(defined(LISP_FEATURE_SPARC) && defined(LISP_FEATURE_LINUX))