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0c1dcd6752
When resolving names inside templates that implement recursive compile-time functions (e.g. waldo<N>::type is defined in terms of waldo<N-1>::type), HeuristicResolver could get into an infinite recursion, specifically one where resolveDependentNameType() can be called recursively with the same DependentNameType*. To guard against this, HeuristicResolver tracks, for each external call into a HeuristicResolver function, the set of DependentNameTypes that it has seen, and bails if it sees the same DependentNameType again. To implement this, a helper class HeuristicResolverImpl is introduced to store state that persists for the duration of an external call into HeuristicResolver (but does not persist between such calls). Fixes https://github.com/clangd/clangd/issues/1951 (cherry picked from commit e6e53ca8470d719882539359ebe3ad8b442a8cb0)
//===----------------------------------------------------------------------===// // Clang Tools repository //===----------------------------------------------------------------------===// Welcome to the repository of extra Clang Tools. This repository holds tools that are developed as part of the LLVM compiler infrastructure project and the Clang frontend. These tools are kept in a separate "extra" repository to allow lighter weight checkouts of the core Clang codebase. All discussion regarding Clang, Clang-based tools, and code in this repository should be held using the standard Clang forum: https://discourse.llvm.org/c/clang Code review for this tree should take place on the standard Clang patch and commit lists: http://lists.llvm.org/mailman/listinfo/cfe-commits If you find a bug in these tools, please file it in the LLVM bug tracker: https://github.com/llvm/llvm-project/issues/