git: openjdk/jdk11u-dev: 8282467: add extra diagnostics for JDK-8268184

[Christoph Langer]

Changeset: 9317eec0
Author:    Christoph Langer <clanger at openjdk.org>
Date:      2023-05-11 12:53:39 +0000
URL:       https://git.openjdk.org/jdk11u-dev/commit/9317eec06d9c3a2eb84fd76b28fad7c7994ddf40

8282467: add extra diagnostics for JDK-8268184

Reviewed-by: mdoerr
Backport-of: 2903d59a90c66481fd57dacb3341f3f3315f5be3

! src/hotspot/share/opto/ifg.cpp