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Type: Bug
Resolution: Fixed
Priority: P4
Fix Version/s: 26
Affects Version/s: 9, 11, 17, 21, 25, 26
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b02

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8366000	25.0.2	Paul Hohensee	P4	Resolved	Fixed	master
JDK-8367050	21.0.10-oracle	Tejal Wakchaure	P4	Resolved	Fixed	master

Test7179138_2.java and other tests are no longer testing string concatenation optimizations since string concatenation no longer uses StringBuilders by default.

Test7179138_1.java has found three bugs, so these tests might be good to run with a configuration that uses StringBuilders for string concatenation. We could add a run with -XDstringConcat=inline to Test7179138_2.java and other affected tests.

backported by

JDK-8366000 C2: Multiple string optimization tests are no longer testing string concatenation optimizations

Resolved

JDK-8367050 C2: Multiple string optimization tests are no longer testing string concatenation optimizations

Resolved

relates to

JDK-8357105 C2: compilation fails with "assert(false) failed: empty program detected during loop optimization"

Resolved

links to

Commit(master) openjdk/jdk25u/2ca492dd

Commit(master) openjdk/jdk/6c616c71

Review(master) openjdk/jdk25u/73

Review(master) openjdk/jdk/25610

(2 links to)

Assignee:: Daniel Skantz

Reporter:: Daniel Skantz

Votes:: 0 Vote for this issue

Watchers:: 6 Start watching this issue

Created:: 2025-05-27 01:04

Updated:: 3 days ago 22:56

Resolved:: 2025-06-08 23:14

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