src/share/vm/c1/c1_LinearScan.cpp

@@ -82,14 +82,10 @@
  , _cached_blocks(*ir->linear_scan_order())
 #ifdef X86
  , _fpu_stack_allocator(NULL)
 #endif
 {
-  // note: to use more than on instance of LinearScan at a time this function call has to
-  //       be moved somewhere outside of this constructor:
-  Interval::initialize();
-
   assert(this->ir() != NULL,          "check if valid");
   assert(this->compilation() != NULL, "check if valid");
   assert(this->gen() != NULL,         "check if valid");
   assert(this->frame_map() != NULL,   "check if valid");
 }

@@ -3927,12 +3923,12 @@
 {
 }
 
 // initialize sentinel
 Range* Range::_end = NULL;
-void Range::initialize() {
-  _end = new Range(max_jint, max_jint, NULL);
+void Range::initialize(Arena* arena) {
+  _end = new (arena) Range(max_jint, max_jint, NULL);
 }
 
 int Range::intersects_at(Range* r2) const {
   const Range* r1 = this;
 

@@ -3974,13 +3970,13 @@
 
 // **** Implementation of Interval **********************************
 
 // initialize sentinel
 Interval* Interval::_end = NULL;
-void Interval::initialize() {
-  Range::initialize();
-  _end = new Interval(-1);
+void Interval::initialize(Arena* arena) {
+  Range::initialize(arena);
+  _end = new (arena) Interval(-1);
 }
 
 Interval::Interval(int reg_num) :
   _reg_num(reg_num),
   _type(T_ILLEGAL),