--- a/src/hotspot/share/oops/method.hpp	Tue Jun 04 11:55:51 2019 -0700
+++ b/src/hotspot/share/oops/method.hpp	Tue Jun 04 12:44:53 2019 -0700
@@ -945,14 +945,14 @@
   // whether it is not compilable for another reason like having a
   // breakpoint set in it.
   bool  is_not_compilable(int comp_level = CompLevel_any) const;
-  void set_not_compilable(int comp_level = CompLevel_all, bool report = true, const char* reason = NULL);
-  void set_not_compilable_quietly(int comp_level = CompLevel_all) {
-    set_not_compilable(comp_level, false);
+  void set_not_compilable(const char* reason, int comp_level = CompLevel_all, bool report = true);
+  void set_not_compilable_quietly(const char* reason, int comp_level = CompLevel_all) {
+    set_not_compilable(reason, comp_level, false);
   }
   bool  is_not_osr_compilable(int comp_level = CompLevel_any) const;
-  void set_not_osr_compilable(int comp_level = CompLevel_all, bool report = true, const char* reason = NULL);
-  void set_not_osr_compilable_quietly(int comp_level = CompLevel_all) {
-    set_not_osr_compilable(comp_level, false);
+  void set_not_osr_compilable(const char* reason, int comp_level = CompLevel_all, bool report = true);
+  void set_not_osr_compilable_quietly(const char* reason, int comp_level = CompLevel_all) {
+    set_not_osr_compilable(reason, comp_level, false);
   }
   bool is_always_compilable() const;