[all-commits] [llvm/llvm-project] 040e7a: [Clang] Consider default template arguments when s...

[Younan Zhang via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 040e7ad8281dcb52507070fbeec59421af78c5ca
      https://github.com/llvm/llvm-project/commit/040e7ad8281dcb52507070fbeec59421af78c5ca
  Author: Younan Zhang <zyn7109 at gmail.com>
  Date:   2025-07-14 (Mon, 14 Jul 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/Sema/SemaTemplateDeductionGuide.cpp
    M clang/test/SemaCXX/cxx20-ctad-type-alias.cpp

  Log Message:
  -----------
  [Clang] Consider default template arguments when synthesizing CTAD guides (#147675)

We copy arguments from different template parameter lists depending on
the deducibility of the template parameters. In particular, we may lose
the default template argument from the original alias declaration, and
this patch helps preserve that.

Fixes https://github.com/llvm/llvm-project/issues/133132



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