[clang-tools-extra] [clangd] [HeuristicResolver] Protect against infinite recursion on DependentNameTypes (PR #83542)

[Nathan Ridge via cfe-commits]

HighCommander4 wrote:

Updated patch with two changes:

 * Added the `even`/`odd` exampls as a second test case 
 * Elaborated on the problem and solution in the commit message

https://github.com/llvm/llvm-project/pull/83542