incorrect java.lang.VerifyError during initialize main class

A DESCRIPTION OF THE PROBLEM :
the presence of a class with the name identical to that of the package causes an error in the verification of another class in the same package at the time of execution with java

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
compile test.java and WhyVerifyError.java in the test package and execute the WhyVerifyError.class

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
normal end of WhyVerifyError main method
ACTUAL -
[0.003s][info][arguments] VM Arguments:
[0.003s][info][arguments] jvm_args: -Xlog:arguments -Dfile.encoding=Cp1252 --enable-preview -XX:+ShowCodeDetailsInExceptionMessages
[0.003s][info][arguments] java_command: prova.WhyVerifyError
[0.003s][info][arguments] java_class_path (initial): D:\Git\Wat\bin
[0.003s][info][arguments] Launcher Type: SUN_STANDARD
Error: Unable to initialize main class prova.WhyVerifyError
Caused by: java.lang.VerifyError: Bad return type
Exception Details:
  Location:
    prova/WhyVerifyError.m(Ljava/lang/Object;)Lprova/WhyVerifyError$B; @94: areturn
  Reason:
    Type 'java/lang/Object' (current frame, stack[0]) is not assignable to 'prova/WhyVerifyError$B' (from method signature)
  Current Frame:
    bci: @94
    flags: { }
    locals: { 'prova/WhyVerifyError', 'java/lang/Object' }
    stack: { 'java/lang/Object' }
  Bytecode:
    0000000: 2b59 b800 1057 4d03 3e2c 1dba 0016 0000
    0000010: aa00 0000 0000 0036 0000 0000 0000 0001
    0000020: 0000 0018 0000 0023 2cc0 001a 3a04 1904
    0000030: a700 2e2c c000 1c3a 05bb 001a 592a 1905
    0000040: b700 1ea7 001b bb00 2159 bb00 2359 1225
    0000050: b700 272b b600 2ab6 002e b700 32bf b0
  Stackmap Table:
    append_frame(@40,Object[#3],Integer)
    same_frame(@51)
    same_frame(@70)
    full_frame(@94,{Object[#1],Object[#3]},{Object[#3]})

---------- BEGIN SOURCE ----------
-- test/test.java ----
package test;
public class test {
}
-- test/WhyVerifyError.java
package test;
public class WhyVerifyError/*?!*/ {
class A {}
class B { B(A a) {}}
@SuppressWarnings("preview")
B m(Object arg) {
return switch (arg) {
case B b-> b;
case A a-> new B(a);
default-> throw new RuntimeException("error: " + arg);
};
}
public static void main(String[] args) {
System.out.println("end");
}
}
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
give a different case name to the class test

FREQUENCY : always