test/langtools/tools/javac/sym/ElementStructureTest fails: what does it mean?

[Raffaello Giulietti]

Hello,

(hope this is the right mailing list for such questions: otherwise 
please redirect me.)

I recently posted a PR [1] on the core-libs-dev mailing list that fails 
to pass one of the automatic GitHub action tests on all supported platforms.

The test that fails is
test/langtools/tools/javac/sym/ElementStructureTest.java

The same test also fails on my local repo when I run
make test 
TEST="jtreg:test/langtools/tools/javac/sym/ElementStructureTest.java"

I have no clue what in my changes in the PR can lead to the failure.

Any suggestions?


Thanks
Raffaello

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[1] https://github.com/openjdk/jdk/pull/3402