1 files changed, 20 insertions, 0 deletions
diff --git a/libjava/testsuite/libjava.lang/PR12350.java b/libjava/testsuite/libjava.lang/PR12350.java
new file mode 100644
index 00000000000..ded8856cf92
--- /dev/null
+++ b/libjava/testsuite/libjava.lang/PR12350.java
@@ -0,0 +1,20 @@
+public class PR12350
+{
+    static public void main (String[] ignored) throws Throwable
+    {
+	StringBuffer b = new StringBuffer ("Good string.  More than 16 chars.");
+
+	// Should cause sharing.
+	String s = b.toString();
+
+	// Take a char by char unshared copy of s.
+	String t = new String (s.toCharArray());
+
+	b.substring (0, 4);	// BUG: Clears shared flag.
+	b.replace (0, 4, "Bad "); // Modifies shared data.
+
+	System.out.println (s);
+	assert s.equals (t);
+    }
+
+}