hokein added a comment.

Looking the source code closely,  we also have another code path of indexing 
the `ParmVarDecl` in `clang/lib/Index/IndexTypeSourceInfo.cpp`,  it was called 
via `IndexCtx.indexTypeSourceInfo` in `handleDeclarator`.

In summary:

1. default arguments will be visited if this is a non-definition decl, 
regardless the shouldIndexFunctionLocatl -- this is done in IndexTypeSourceInfo
2. default arguments will be visited if this is a definition decl and 
shouldIndexFunctionLocal is fasle -- this is done in IndexDecl.
3. default arguments will not be visited if this is a definition decl and 
shouldIndexFunctionLocal is true

This patch fixes 3).


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D74610/new/

https://reviews.llvm.org/D74610



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