--- old/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp	2015-02-06 12:38:23.576202430 +0100
+++ new/src/share/vm/gc_implementation/parallelScavenge/vmPSOperations.cpp	2015-02-06 12:38:23.484205628 +0100
@@ -34,7 +34,9 @@
 // The following methods are used by the parallel scavenge collector
 VM_ParallelGCFailedAllocation::VM_ParallelGCFailedAllocation(size_t word_size,
                                                              uint gc_count) :
-    VM_CollectForAllocation(word_size, gc_count, GCCause::_allocation_failure) {}
+    VM_CollectForAllocation(word_size, gc_count, GCCause::_allocation_failure) {
+  assert(word_size != 0, "An allocation should always be requested with this operation.");
+}
 
 void VM_ParallelGCFailedAllocation::doit() {
   SvcGCMarker sgcm(SvcGCMarker::MINOR);