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Type: Enhancement
Resolution: Unresolved
Priority: P3
Fix Version/s: tbd
Affects Version/s: 26
Component/s: hotspot
Labels:

Subcomponent:
compiler

JVMTI can enable various features that have a direct effect on the JITs:
https://github.com/openjdk/jdk/blob/07549f3e1539a2dd491a4f9ffe9df8580d7d7dea/src/hotspot/share/ci/ciEnv.hpp#L74-L80

As a result, some bugs only reproduce when JVMTI is enabled/attached which makes them more intermittent and harder to reproduce and debug. For example, see ~~JDK-8319308~~, ~~JDK-8312631~~ and JDK-8362832.

We should add a stress option that randomly enables these capabilities.

relates to

JDK-8355466 [Umbrella] Add more randomization to the JIT for stress testing

Open

JDK-8362832 compiler/macronodes/TestTopInMacroElimination.java hits assert(false) failed: unexpected node

In Progress

JDK-8312631 C2 crash: assert(false) failed: Unexpected use of reducible Phi

Closed

JDK-8319308 C2 compilation asserts with "parsing found no loops but there are some"

Closed

Assignee:: Unassigned

Reporter:: Tobias Hartmann

Votes:: 0 Vote for this issue

Watchers:: 2 Start watching this issue

Created:: 2025-10-07 01:55

Updated:: 2025-10-07 01:58