# HG changeset patch # User Thomas Wuerthinger # Date 1399321126 -7200 # Node ID a3f897fb3289b4e9b2f716c1d17c1bae4ee91363 # Parent ff5cacf47b68317e23b495eda21b1f3f6fed11eb# Parent fbe9e7088e3500ce54b650c2b1c4516f895ae9c4 Merge. diff -r fbe9e7088e35 -r a3f897fb3289 graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/ObjectStampJoinTest.java --- a/graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/ObjectStampJoinTest.java Mon May 05 21:23:25 2014 +0200 +++ b/graal/com.oracle.graal.nodes.test/src/com/oracle/graal/nodes/test/ObjectStampJoinTest.java Mon May 05 22:18:46 2014 +0200 @@ -122,6 +122,24 @@ } @Test + public void testJoin8() { + Stamp bExact = StampFactory.exactNonNull(getType(B.class)); + Stamp dExact = StampFactory.exact(getType(D.class)); + Stamp join = join(bExact, dExact); + Assert.assertFalse(join.isLegal()); + } + + @Test + public void testJoin9() { + Stamp bExact = StampFactory.exact(getType(B.class)); + Stamp dExact = StampFactory.exact(getType(D.class)); + Stamp join = join(bExact, dExact); + Assert.assertTrue(StampTool.isObjectAlwaysNull(join)); + Assert.assertNull(StampTool.typeOrNull(join)); + Assert.assertNull(StampTool.typeOrNull(join)); + } + + @Test public void testJoinInterface0() { Stamp a = StampFactory.declared(getType(A.class)); Stamp b = StampFactory.declared(getType(I.class));