Bugfix: Consuming [CliEvent] events from C#, if there are multiple types in a module and ref assemblies are used. #16218
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Outdated suggestions cannot be applied.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.
Fixes #14996 .
The issue was caused by reference assembly generation, which is on by default for net7+, and was not on for
<TargetFramework>6.0</..>
.The fix addresses the issue with ordering of operations in ilwrite that depend on a read/write shared state (cenv).
Visual proof of the wrong codegen before for two types, each having 1 event.

Error is that codegen puts both events into one type, instead of one event for each:
After the fix,

+=
from C# works as everything is codegen'd at the right type: