src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp

rev 7793 : 8073315: Enable gcc -Wtype-limits and fix upcoming issues.
Summary: Relevant fixes in blockOffsetTable.cpp, os_linux.cpp, parCardTableModRefBS.cpp.

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -5418,11 +5418,11 @@
     uint stride = MIN2(MAX2(_n_workers, 1U), limit);
 
     // limit is set using max_num_q() - which was set using ParallelGCThreads.
     // So this must be true - but assert just in case someone decides to
     // change the worker ids.
-    assert(0 <= worker_id && worker_id < limit, "sanity");
+    assert(worker_id < limit, "sanity");
     assert(!rp->discovery_is_atomic(), "check this code");
 
     // Select discovered lists [i, i+stride, i+2*stride,...,limit)
     for (uint idx = worker_id; idx < limit; idx += stride) {
       DiscoveredList& ref_list = rp->discovered_refs()[idx];