diff -r 0c3dcc865a1c -r e27de7435453 hotspot/src/share/vm/gc/g1/g1Allocator.hpp
--- a/hotspot/src/share/vm/gc/g1/g1Allocator.hpp	Fri Jun 19 09:41:50 2015 +0200
+++ b/hotspot/src/share/vm/gc/g1/g1Allocator.hpp	Fri Jun 19 11:27:07 2015 +0200
@@ -227,7 +227,7 @@
                           size_t word_sz,
                           AllocationContext_t context) {
     G1PLAB* buffer = alloc_buffer(dest, context);
-    if (_survivor_alignment_bytes == 0) {
+    if (_survivor_alignment_bytes == 0 || !dest.is_young()) {
       return buffer->allocate(word_sz);
     } else {
       return buffer->allocate_aligned(word_sz, _survivor_alignment_bytes);