Gabor Horvath f26749245b [SILGen] Fix the type of closure thunks that are passed const reference structs ...

This PR is another attempt at landing #76903. The changes compared to
the original PR:
* Instead of increasing the size of SILDeclRef, store the necessary type
  information in a side channel using withClosureTypeInfo.
* Rely on SGFContext to get the right ClangType
* Extend BridgingConversion with an AbstractionPattern to store the
  original clang type.
* The PR above introduced a crash during indexing system modules that
  references foreign types coming from modules imported as
  implementation only. These entities are implementation details so they
  do not need to be included during serialization. This PR adds a test
  and adds logic to exclude such clang types in the serialization
  process.

rdar://131321096&141786724

2025-09-09 12:07:52 +01:00

77 KiB

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