[all-commits] [llvm/llvm-project] 4214f2: Re-land "[lldb] Fix `FindDirectNestedType` not wor...

[Vlad Serebrennikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 4214f25dccba36472c9666f1395eef894dca1bba
      https://github.com/llvm/llvm-project/commit/4214f25dccba36472c9666f1395eef894dca1bba
  Author: Vlad Serebrennikov <serebrennikov.vladislav at gmail.com>
  Date:   2024-02-16 (Fri, 16 Feb 2024)

  Changed paths:
    M lldb/source/Plugins/TypeSystem/Clang/TypeSystemClang.cpp
    M lldb/test/API/python_api/type/TestTypeList.py
    M lldb/test/API/python_api/type/main.cpp

  Log Message:
  -----------
  Re-land "[lldb] Fix `FindDirectNestedType` not working with class templates (#81666)"

This patch attempts to fix lookup in class template specialization.

The first fixed problem is that during type lookup `DeclContextGetName`
have been dropping template arguments. So when such a name was compared
against a name in `DW_AT_name`, which contains template arguments, false
mismatches have been occurring.

The second fixed problem is that LLDB's printing policy hasn't been
matching Clang's printing policy when it comes to integral non-type
template arguments. This again caused some false mismatches during type
lookup, because Clang puts e.g. `3U` in debug info for class
specializations, but LLDB has been expecting just `3`. This patch brings
printing policy in line with what Clang does.



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