--- a/src/hotspot/share/prims/methodHandles.cpp	Tue May 14 11:28:44 2019 -0400
+++ b/src/hotspot/share/prims/methodHandles.cpp	Tue May 14 11:29:18 2019 -0400
@@ -519,12 +519,12 @@
 // convert the external string or reflective type to an internal signature
 Symbol* MethodHandles::lookup_signature(oop type_str, bool intern_if_not_found, TRAPS) {
   if (java_lang_invoke_MethodType::is_instance(type_str)) {
-    return java_lang_invoke_MethodType::as_signature(type_str, intern_if_not_found, THREAD);
+    return java_lang_invoke_MethodType::as_signature(type_str, intern_if_not_found);
   } else if (java_lang_Class::is_instance(type_str)) {
-    return java_lang_Class::as_signature(type_str, false, THREAD);
+    return java_lang_Class::as_signature(type_str, false);
   } else if (java_lang_String::is_instance_inlined(type_str)) {
     if (intern_if_not_found) {
-      return java_lang_String::as_symbol(type_str, THREAD);
+      return java_lang_String::as_symbol(type_str);
     } else {
       return java_lang_String::as_symbol_or_null(type_str);
     }
@@ -602,7 +602,7 @@
     }
     const char* sigstr =       buffer.base();
     int         siglen = (int) buffer.size();
-    bsig = SymbolTable::new_symbol(sigstr, siglen, THREAD);
+    bsig = SymbolTable::new_symbol(sigstr, siglen);
   }
   assert(is_basic_type_signature(bsig) ||
          // detune assert in case the injected argument is not a basic type: