diff -r f3c1945fa8aa -r 2a51125b2794 src/hotspot/share/classfile/javaClasses.cpp
--- a/src/hotspot/share/classfile/javaClasses.cpp	Thu Sep 20 18:39:53 2018 +0200
+++ b/src/hotspot/share/classfile/javaClasses.cpp	Tue Sep 18 21:47:14 2018 -0700
@@ -241,7 +241,7 @@
   return h_obj;
 }
 
-Handle java_lang_String::create_from_unicode(jchar* unicode, int length, TRAPS) {
+Handle java_lang_String::create_from_unicode(const jchar* unicode, int length, TRAPS) {
   bool is_latin1 = CompactStrings && UNICODE::is_latin1(unicode, length);
   Handle h_obj = basic_create(length, is_latin1, CHECK_NH);
   typeArrayOop buffer = value(h_obj());
@@ -271,7 +271,7 @@
   return h_obj;
 }
 
-oop java_lang_String::create_oop_from_unicode(jchar* unicode, int length, TRAPS) {
+oop java_lang_String::create_oop_from_unicode(const jchar* unicode, int length, TRAPS) {
   Handle h_obj = create_from_unicode(unicode, length, CHECK_0);
   return h_obj();
 }
@@ -643,7 +643,7 @@
   }
 }
 
-bool java_lang_String::equals(oop java_string, jchar* chars, int len) {
+bool java_lang_String::equals(oop java_string, const jchar* chars, int len) {
   assert(java_string->klass() == SystemDictionary::String_klass(),
          "must be java_string");
   typeArrayOop value = java_lang_String::value_no_keepalive(java_string);
@@ -2569,7 +2569,7 @@
   // Fill in class name
   ResourceMark rm(THREAD);
   const char* str = holder->external_name();
-  oop classname = StringTable::intern((char*) str, CHECK);
+  oop classname = StringTable::intern(str, CHECK);
   java_lang_StackTraceElement::set_declaringClass(element(), classname);
   java_lang_StackTraceElement::set_declaringClassObject(element(), holder->java_mirror());