it is also legal to call unsafe functions from other unsafe functions

Author: nikomatsakis

src/test/run-pass/unsafe-fn-called-from-unsafe-fn.rs

@@ -0,0 +1,10 @@
+// -*- rust -*-
+//
+// See also: compile-fail/unsafe-fn-called-from-safe.rs
+
+unsafe fn f() { ret; }
+
+unsafe fn g() {
+    f();
+}
+