[clang] [clang][HeuristicResolver] Default argument heuristic for template parameters (PR #132465)

[Nathan Ridge via cfe-commits]

HighCommander4 wrote:

This was previously submitted and approved at https://github.com/llvm/llvm-project/pull/131074, I just mistakenly merged that into a user branch.

https://github.com/llvm/llvm-project/pull/132465