[release/9.0-staging] [mono][mini] Disable inlining if we encounter class initialization failure #112005
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
![github-actions[bot]](https://avatars.githubusercontent.com/in/15368?s=60&v=4){kind=small}
…ilure method_make_alwaysthrow_typeloadfailure replaces the entire method code with a throw of type load exception. This behaviour not only seem dubious, if it is triggered from inlining a method, that might never even get called, but it also does changes to the set of basic blocks that can lead to crashes later on during compilation.
github-actions
bot
requested review from
lambdageek and
steveisok
as code owners
|
Tagging subscribers to this area: @steveisok, @vitek-karas |
This was referenced Jan 30, 2025
Open
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Backport of #111754 to release/9.0-staging
This adds on top of #110271, which proved insufficient during validation of customer app for February NET9 service release.
Customer Impact
AOT of some assemblies can lead to compilation crashes, on iOS for example. This would force users to use interpreter instead.
Regression
Regression introduced in .NET9.
Testing
Tested with sample application provided by customer.
Risk
Low. In rare cases, when typeload exception was detected during compile time, we were emitting code to throw this exception at runtime (this was behavior introduced in net9). This functionality didn't work correctly when the code was emitted as part of an inlined method. This fix takes a conservative approach by disabling inlining for these methods (which we shouldn't really do even if the codegen were correct), reusing existing functionality.