Gabor Marton 303c9861e9 [ASTImporter] Store import errors for Decls ... Summary: We add a new member which is a mapping from the already-imported declarations in the "from" context to the error status of the import of that declaration. This map contains only the declarations that were not correctly imported. The same declaration may or may not be included in ImportedDecls. This map is updated continuously during imports and never cleared (like ImportedDecls). In Import(Decl*) we use this mapping, so if there was a previous failed import we return with the existing error. We add/remove from the Lookuptable in consistency with ImportedFromDecls. When we map a decl in the 'to' context to something in the 'from' context then and only then we add it to the lookup table. When we remove a mapping then and only then we remove it from the lookup table. This patch is the first in a series of patches whose aim is to further strengthen the error handling in ASTImporter. Reviewers: a_sidorin, a.sidorin, shafik Subscribers: rnkovacs, dkrupp, Szelethus, gamesh411, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D62373 llvm-svn: 364279		2019-06-25 08:00:51 +00:00
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test.cpp	[ASTImporter] Store import errors for Decls	2019-06-25 08:00:51 +00:00