[5.7-04182022][IRGen] Restore the old code path for emitting existential type metadata for plain protocol and protocol composition types. #58502
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Outdated suggestions cannot be applied.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.
Cherry-pick of #58485
ExistentialType
, but there isn't sufficient validation of this throughout the compiler yet. Change the fatal error when the metadata request sees these plain types to anassert
, and restore the old type metadata emission path for protocol and protocol composition types to avoid crashing in those cases.llvm_unreachable
for protocol constraint types inEmitTypeMetadataRef
.Resolves: rdar://92413116