--- old/src/share/vm/runtime/arguments.cpp	2013-09-19 22:40:52.000000000 +0200
+++ new/src/share/vm/runtime/arguments.cpp	2013-09-19 22:40:52.000000000 +0200
@@ -1403,7 +1403,7 @@
   // NULL page is located before the heap, we pad the NULL page to the conservative
   // maximum alignment that the GC may ever impose upon the heap.
   size_t displacement_due_to_null_page = align_size_up_(os::vm_page_size(),
-    Arguments::conservative_max_heap_alignment());
+                                                        _conservative_max_heap_alignment);
 
   LP64_ONLY(return OopEncodingHeapMax - displacement_due_to_null_page);
   NOT_LP64(ShouldNotReachHere(); return 0);
@@ -2107,6 +2107,10 @@
 
 #if INCLUDE_ALL_GCS
   if (UseG1GC) {
+    status = status && verify_percentage(G1NewSizePercent, "G1NewSizePercent");
+    status = status && verify_percentage(G1MaxNewSizePercent, "G1MaxNewSizePercent");
+    status = status && verify_interval(G1NewSizePercent, 0, G1MaxNewSizePercent, "G1NewSizePercent");
+ 
     status = status && verify_percentage(InitiatingHeapOccupancyPercent,
                                          "InitiatingHeapOccupancyPercent");
     status = status && verify_min_value(G1RefProcDrainInterval, 1,
@@ -2634,9 +2638,10 @@
         describe_range_error(errcode);
         return JNI_EINVAL;
       }
-      FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size);
+      set_min_heap_size((uintx)long_initial_heap_size);
       // Currently the minimum size and the initial heap sizes are the same.
-      set_min_heap_size(InitialHeapSize);
+      // Can be overridden with -XX:InitialHeapSize.
+      FLAG_SET_CMDLINE(uintx, InitialHeapSize, (uintx)long_initial_heap_size);
     // -Xmx
     } else if (match_option(option, "-Xmx", &tail) || match_option(option, "-XX:MaxHeapSize=", &tail)) {
       julong long_max_heap_size = 0;