Fix for bug 6767 - Limit stack trace collection for stack overflow exceptions.

runtime/vm/object_store.cc

Index: runtime/vm/object_store.cc
===================================================================
--- runtime/vm/object_store.cc	(revision 19000)
+++ runtime/vm/object_store.cc	(working copy)
@@ -87,6 +87,7 @@
     empty_context_(Context::null()),
     stack_overflow_(Instance::null()),
     out_of_memory_(Instance::null()),
+    preallocated_stack_trace_(Stacktrace::null()),
     keyword_symbols_(Array::null()),
     receive_port_create_function_(Function::null()),
     lookup_receive_port_function_(Function::null()),
@@ -136,6 +137,14 @@
     return false;
   }
   set_out_of_memory(Instance::Cast(result));
+  const Array& func_array = Array::Handle(
+      Array::New(Stacktrace::kPreallocatedStackdepth, Heap::kOld));
+  const Array& code_array = Array::Handle(
+      Array::New(Stacktrace::kPreallocatedStackdepth, Heap::kOld));
+  const Array& pc_offset_array = Array::Handle(
+      Array::New(Stacktrace::kPreallocatedStackdepth, Heap::kOld));
+  result = Stacktrace::New(func_array, code_array, pc_offset_array);
+  set_preallocated_stack_trace(Stacktrace::Cast(result));
 #endif
   return true;
 }