+
+#ifdef LISP_FEATURE_SUNOS
+ /* For some reason the breakpoints that :ENCAPSULATE NIL tracing sets up
+ * cause a trace trap (i.e. processor single-stepping trap) on the following
+ * instruction on Solaris 10/x86. -- JES, 2006-04-07
+ */
+ if (info->si_code == TRAP_TRACE) {
+ lose("foo");
+ return;
+ }
+#endif
+