re PR rtl-optimization/13024 (gcj can't build current rhug)

* libjava.compile/PR13024.java: New file.
* libjava.compile/PR13237.java: New file.

From-SVN: r74157

libjava/testsuite/libjava.compile/PR13024.java

@@ -0,0 +1,18 @@
+import java.io.*;
+import java.util.zip.*;
+
+class PR13024 {
+    void isZipOrJarArchive(File file) throws IOException {
+        ZipFile zipFile = null;
+
+        try {
+            zipFile = new ZipFile(file);
+        } finally {
+            if (zipFile != null) {
+                try {
+                    zipFile.close();
+                } catch (IOException ignored) {}
+            }
+        }
+    }
+}

libjava/testsuite/libjava.compile/PR13237.java

@@ -0,0 +1,3 @@
+class PR13237 {
+  double kappa = Math.sqrt(2.0);
+}