[PATCH] D32981: [ASTImporter] Improve handling of incomplete types
Sean Callanan via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Mon May 8 14:56:35 PDT 2017
spyffe created this revision.
`ASTImporter` has some bugs when it's importing types that themselves come from an `ExternalASTSource`. This is exposed particularly in the behavior when comparing complete TagDecls with forward declarations. This patch does several things:
- Adds a test case making sure that conflicting forward-declarations are resolved correctly;
- Extends the `clang-import-test` harness to test two-level importing, so that we make sure we complete types when necessary; and
- Fixes a few bugs I found this way. Failure to complete types was one; however, I also discovered that complete RecordDecls aren't properly added to the `redecls` chain for existing forward declarations.
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