compiler following code ( javac test.java ) , compiler crashes.

class A{}
class B{}

public class test {

void foo(){
  boolean b = false;
  Class a = b ? A.class : B.class;
  System.out.println("a is " + a.getName());
}

public static void main(String[] args)
{
 new test().foo();
 }

}
java.lang.AssertionError
        at com.sun.tools.javac.code.Types.merge(Types.java:2519)
        at com.sun.tools.javac.code.Types.intersect(Types.java:2473)
        at com.sun.tools.javac.code.Types.lub(Types.java:2591)
        at com.sun.tools.javac.code.Types.lub(Types.java:2560)
        at com.sun.tools.javac.comp.Attr.condType1(Attr.java:828)
        at com.sun.tools.javac.comp.Attr.condType(Attr.java:762)
        at com.sun.tools.javac.comp.Attr.visitConditional(Attr.java:743)
        at com.sun.tools.javac.tree.Tree$Conditional.accept(Tree.java:696)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:258)
        at com.sun.tools.javac.comp.Attr.attribExpr(Attr.java:273)
        at com.sun.tools.javac.comp.Attr.visitVarDef(Attr.java:532)
        at com.sun.tools.javac.tree.Tree$VarDef.accept(Tree.java:502)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:258)
        at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:293)
        at com.sun.tools.javac.comp.Attr.attribStats(Attr.java:309)
        at com.sun.tools.javac.comp.Attr.visitBlock(Attr.java:562)
        at com.sun.tools.javac.tree.Tree$Block.accept(Tree.java:531)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:258)
        at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:293)
        at com.sun.tools.javac.comp.Attr.visitMethodDef(Attr.java:499)
        at com.sun.tools.javac.tree.Tree$MethodDef.accept(Tree.java:473)
        at com.sun.tools.javac.comp.Attr.attribTree(Attr.java:258)
        at com.sun.tools.javac.comp.Attr.attribStat(Attr.java:293)
        at com.sun.tools.javac.comp.Attr.attribClassBody(Attr.java:2338)
        at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:2217)
        at com.sun.tools.javac.comp.Attr.attribClass(Attr.java:2168)
        at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:412)
        at com.sun.tools.javac.main.Main.compile(Main.java:598)
        at com.sun.tools.javac.main.Main.compile(Main.java:546)
        at com.sun.tools.javac.Main.compile(Main.java:41)
        at com.sun.tools.javac.Main.main(Main.java:32)