--- old/src/hotspot/share/compiler/compileTask.hpp	2019-01-21 13:41:54.000000000 +0100
+++ new/src/hotspot/share/compiler/compileTask.hpp	2019-01-21 13:41:54.000000000 +0100
@@ -104,9 +104,11 @@
   int          _hot_count;    // information about its invocation counter
   CompileReason _compile_reason;      // more info about the task
   const char*  _failure_reason;
+  // Specifies if _failure_reason is on the C heap.
+  bool         _failure_reason_on_C_heap;
 
  public:
-  CompileTask() {
+  CompileTask() : _failure_reason(NULL), _failure_reason_on_C_heap(false) {
     _lock = new Monitor(Mutex::nonleaf+2, "CompileTaskLock");
   }
 
@@ -199,8 +201,9 @@
   void         log_task_start(CompileLog* log);
   void         log_task_done(CompileLog* log);
 
-  void         set_failure_reason(const char* reason) {
+  void         set_failure_reason(const char* reason, bool on_C_heap = false) {
     _failure_reason = reason;
+    _failure_reason_on_C_heap = on_C_heap;
   }
 
   bool         check_break_at_flags();