diff -r 000000000000 -r 959103a6100f test/tools/javac/generics/6723444/T6723444.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/tools/javac/generics/6723444/T6723444.java	Wed Apr 27 01:34:52 2016 +0800
@@ -0,0 +1,58 @@
+/*
+ * @test /nodynamiccopyright/
+ * @bug 6723444
+ *
+ * @summary javac fails to substitute type variables into a constructor's throws clause
+ * @author Mark Mahieu
+ * @compile/fail/ref=T6723444_1.out -Xlint:-options -source 7 -XDrawDiagnostics T6723444.java
+ * @compile/fail/ref=T6723444_2.out -XDrawDiagnostics T6723444.java
+ *
+ */
+public class T6723444 {
+
+    static class Foo<X extends Throwable> {
+        Foo() throws X {}
+    }
+
+    <X extends Throwable> T6723444()
+        throws X {}
+
+    <X extends Throwable> T6723444(Foo<X> foo)
+        throws X {}
+
+    <X1 extends Throwable, X2 extends Throwable> T6723444(Foo<X1> foo, int i)
+        throws X1, X2 {}
+
+    public static void main(String[] args) throws Exception {
+
+        // the following 8 statements should compile without error
+
+        Foo<Exception> exFoo = new Foo<Exception>();
+        exFoo = new Foo<Exception>() {};
+
+        new<Exception> T6723444();
+        new<Exception> T6723444() {};
+        new T6723444(exFoo);
+        new T6723444(exFoo) {};
+        new<Exception, Exception> T6723444(exFoo, 1);
+        new<Exception, Exception> T6723444(exFoo, 1) {};
+
+        // the remaining statements should all raise an
+        // unreported exception error
+
+        new T6723444(exFoo, 1);
+        new T6723444(exFoo, 1) {};
+
+        Foo<Throwable> thFoo = new Foo<Throwable>();
+        thFoo = new Foo<Throwable>() {};
+
+        new<Throwable> T6723444();
+        new<Throwable> T6723444() {};
+        new T6723444(thFoo);
+        new T6723444(thFoo) {};
+        new T6723444(thFoo, 1);
+        new T6723444(thFoo, 1) {};
+        new<Throwable, Throwable> T6723444(thFoo, 1);
+        new<Throwable, Throwable> T6723444(thFoo, 1) {};
+    }
+}