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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 17
Affects Version/s: 8, 11, 17
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b14

It's not uncommon for c2 to leave dead uses hanging from reachable nodes. It's usually harmless but can cause confusion (such as in
valhalla ~~JDK-8262289~~, not reproducible with non valhalla code AFAICT).

duplicates

JDK-8262289 [lworld] LoopNode::verify_strip_mined fails

Closed

JDK-8307522 C2: assert(n->req() == 2 && n->in(1) != __null) failed

Closed

JDK-8312438 assert(n->req() == 2 && n->in(1) != __null) failed: Only one data input expected

Closed

relates to

JDK-8263672 fatal error: no reachable node should have no use

Resolved

JDK-8264649 runtime/InternalApi/ThreadCpuTimesDeadlock.java crash in fastdebug C2 with -XX:-UseTLAB

Resolved

JDK-8267212 test/jdk/java/util/Collections/FindSubList.java intermittent crash with "no reachable node should have no use"

Resolved

JDK-8321278 C2: Partial peeling fails with assert "last_peel <- first_not_peeled"

Resolved

links to

Commit openjdk/jdk/20297a1b

Review openjdk/jdk/3012

(2 relates to, 2 links to)

Assignee:: Roland Westrelin

Reporter:: Roland Westrelin

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: 2021-03-15 01:59

Updated:: 2025-01-16 13:41

Resolved:: 2021-03-16 01:21

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