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Type: Bug
Resolution: Fixed
Priority: P5
Fix Version/s: 22
Affects Version/s: 17, 21, 22
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b06

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8326051	21.0.4-oracle	Tobias Hartmann	P5	Resolved	Fixed	b01
JDK-8322791	21.0.3	Goetz Lindenmaier	P5	Resolved	Fixed	b01
JDK-8371857	17.0.18	Paul Hohensee	P5	Resolved	Fixed	b03

Using the compiler directive RepeatCompilation, to only repeat a subset of the compilations, in combination with StressIGVN/CCP/GCM/LCM, only sets the stress seed once to a random value. Afterward, it keeps the seed for all repeated compilations. This should be changed to always select a random seed as we are already doing for -XX:RepeatCompilation=X.

backported by

JDK-8322791 C2: RepeatCompilation compiler directive does not choose stress seed randomly

Resolved

JDK-8326051 C2: RepeatCompilation compiler directive does not choose stress seed randomly

Resolved

JDK-8371857 C2: RepeatCompilation compiler directive does not choose stress seed randomly

Resolved

relates to

JDK-8272703 StressSeed should be set via FLAG_SET_ERGO

Resolved

links to

Commit openjdk/jdk21u-dev/34651794

Commit openjdk/jdk/06a1a15d

Commit(master) openjdk/jdk17u-dev/fadb26fb

Review openjdk/jdk21u-dev/103

Review openjdk/jdk/14786

Review(master) openjdk/jdk17u-dev/4172

(5 links to)

Assignee:: Christian Hagedorn
Reporter:: Christian Hagedorn
Votes:: 0 Vote for this issue
Watchers:: 5 Start watching this issue

Created:: 2023-07-06 08:03
Updated:: 2025-11-13 13:17
Resolved:: 2023-07-10 00:45

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