git: openjdk/jdk: 8327423: C2 remove_main_post_loops: check if main-loop belongs to pre-loop, not just assert

[Emanuel Peter]

Changeset: fadc4b19
Author:    Emanuel Peter <epeter at openjdk.org>
Date:      2024-03-14 07:12:16 +0000
URL:       https://git.openjdk.org/jdk/commit/fadc4b197e927cfa1814fe6cb65ee04b3bd4b0c2

8327423: C2 remove_main_post_loops: check if main-loop belongs to pre-loop, not just assert

Reviewed-by: kvn, chagedorn, roland

! src/hotspot/share/opto/loopTransform.cpp
+ test/hotspot/jtreg/compiler/loopopts/TestEmptyPreLoopForDifferentMainLoop.java