Someone

Index: heap.cc
===================================================================
--- heap.cc     (revision 8088)
+++ heap.cc     (working copy)
@@ -76,7 +76,7 @@
       max_old_generation_size_(192*MB),
       max_executable_size_(max_old_generation_size_),
       code_range_size_(0),
-#elif defined(V8_TARGET_ARCH_X64)
+#elif defined(V8_TARGET_ARCH_X64) && !defined(__OpenBSD__)
       reserved_semispace_size_(16*MB),
       max_semispace_size_(16*MB),
       initial_semispace_size_(1*MB),
@@ -89,7 +89,7 @@
       initial_semispace_size_(512*KB),
       max_old_generation_size_(512*MB),
       max_executable_size_(128*MB),
-      code_range_size_(0),
+      code_range_size_(256*MB),
 #endif
 // Variables set based on semispace_size_ and old_generation_size_ in
 // ConfigureHeap (survived_since_last_expansion_, external_allocation_limit_)