Compiling the following source code generates a StackOverflowError:

    public class Test1 {
        class Inner {
            Inner() {
                this(() -> new Object() { { Test1.this.hashCode(); } });
            }
            Inner(Runnable r) {
            }
        }
    }

Verified on JDK 8, 11, 17, 22, and current 24 head.

$ javac -version
javac 22
$ javac Test1.java


The system is out of resources.
Consult the following stack trace for details.
java.lang.StackOverflowError
at jdk.compiler/com.sun.tools.javac.code.Symbol$ClassSymbol.isSubClass(Symbol.java:1403)
at jdk.compiler/com.sun.tools.javac.code.Symbol.isMemberOf(Symbol.java:559)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1285)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1344)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThisN(Lower.java:1905)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThis(Lower.java:1890)
at jdk.compiler/com.sun.tools.javac.comp.Lower.accessBase(Lower.java:1135)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1323)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1344)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThisN(Lower.java:1905)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThis(Lower.java:1890)
at jdk.compiler/com.sun.tools.javac.comp.Lower.accessBase(Lower.java:1135)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1323)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1344)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThisN(Lower.java:1905)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThis(Lower.java:1890)
at jdk.compiler/com.sun.tools.javac.comp.Lower.accessBase(Lower.java:1135)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1323)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1344)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThisN(Lower.java:1905)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThis(Lower.java:1890)
at jdk.compiler/com.sun.tools.javac.comp.Lower.accessBase(Lower.java:1135)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1323)
at jdk.compiler/com.sun.tools.javac.comp.Lower.access(Lower.java:1344)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThisN(Lower.java:1905)
at jdk.compiler/com.sun.tools.javac.comp.Lower.makeOwnerThis(Lower.java:1890)
at jdk.compiler/com.sun.tools.javac.comp.Lower.accessBase(Lower.java:1135)