--- old/src/share/vm/code/codeCache.cpp	2015-08-28 10:34:22.818558771 +0200
+++ new/src/share/vm/code/codeCache.cpp	2015-08-28 10:34:22.746558774 +0200
@@ -745,13 +745,12 @@
 
 void CodeCache::gc_epilogue() {
   assert_locked_or_safepoint(CodeCache_lock);
-  NMethodIterator iter;
-  while(iter.next()) {
-    nmethod* nm = iter.method();
-    if (!nm->is_zombie()) {
-      if (needs_cache_clean()) {
-        // Clean ICs of unloaded nmethods as well because they may reference other
-        // unloaded nmethods that may be flushed earlier in the sweeper cycle.
+  NOT_DEBUG(if (needs_cache_clean())) {
+    NMethodIterator iter;
+    while(iter.next_alive()) {
+      nmethod* nm = iter.method();
+      assert(!nm->is_unloaded(), "Tautology");
+      DEBUG_ONLY(if (needs_cache_clean())) {
         nm->cleanup_inline_caches();
       }
       DEBUG_ONLY(nm->verify());