+;;; PowerPC safepoint builds occasionally hang or busy-loop (or
+;;; sometimes run out of memory) in the following test. For developers
+;;; interested in debugging this combination of features, it might be
+;;; fruitful to concentrate their efforts around this test...
+
+(with-test (:name (:funcallable-instances)
+ :skipped-on '(and :sb-safepoint
+ (not :c-stack-is-control-stack)))