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

@@ -1739,11 +1739,11 @@
 HeapWord* G1CollectedHeap::expand_and_allocate(size_t word_size) {
   assert_at_safepoint(true /* should_be_vm_thread */);
 
   verify_region_sets_optional();
 
-  size_t expand_bytes = MAX2(word_size * HeapWordSize, MinHeapDeltaBytes);
+  size_t expand_bytes = MAX2(word_size * HeapWordSize, (size_t)MinHeapDeltaBytes);
   ergo_verbose1(ErgoHeapSizing,
                 "attempt heap expansion",
                 ergo_format_reason("allocation request failed")
                 ergo_format_byte("allocation request"),
                 word_size * HeapWordSize);