--- a/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JdkRegExp.java	Wed May 22 19:41:59 2019 -0700
+++ b/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JdkRegExp.java	Fri May 24 16:53:44 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -82,6 +82,8 @@
             }
         } catch (final PatternSyntaxException e2) {
             throwParserException("syntax", e2.getMessage());
+        } catch (StackOverflowError e3) {
+            throw new RuntimeException(e3);
         }
     }
 

--- a/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JoniRegExp.java	Wed May 22 19:41:59 2019 -0700
+++ b/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/regexp/JoniRegExp.java	Fri May 24 16:53:44 2019 +0200
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -82,6 +82,8 @@
             }
         } catch (final PatternSyntaxException | JOniException e2) {
             throwParserException("syntax", e2.getMessage());
+        } catch (StackOverflowError e3) {
+            throw new RuntimeException(e3);
         }
     }