As noted by [~rmarchenko] [1], the 8u backport of JDK-8303466, JDK-8335472, has been integrated with incorrect signatures for MaxLNode::Identity, MinLNode::Identity and ConvI2LNode::Identity.

This would have been caught by GitHub Actions in 11u, 17u and 21u repositories that have JDK-8152666, where the -Woverloaded-virtual [2] GCC compile flag was added. NOTE: warnings are treated as errors by default, and GitHub Actions execute configure without passing --disable-warnings-as-errors.

[1] https://github.com/openjdk/jdk8u-dev/pull/529#discussion_r1661486052
[2] https://gcc.gnu.org/onlinedocs/gcc-14.1.0/gcc/C_002b_002b-Dialect-Options.html#index-Wno-overloaded-virtual