ADDITIONAL SYSTEM INFORMATION :
openjdk 21.0.1 2023-10-17 LTS
OpenJDK Runtime Environment Temurin-21.0.1+12 (build 21.0.1+12-LTS)
OpenJDK 64-Bit Server VM Temurin-21.0.1+12 (build 21.0.1+12-LTS, mixed mode)


A DESCRIPTION OF THE PROBLEM :
Methods with same name and different generic type parameter omitted from Method Summary section.

REGRESSION : Last worked in version 8u401

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
in an interface, define two or more methods with same name and different generic type parameter

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
Two methods should be listed up on the Method Summary section.
ACTUAL -
Only one is listed.

---------- BEGIN SOURCE ----------
interface Some {

    default <T extends Appendable> T append(final T appendable) {
    }

    default <T extends File> T append(final T file) { // Omitted form the Method Summary section
    }
}
---------- END SOURCE ----------

FREQUENCY : always