[all-commits] [llvm/llvm-project] 224519: [clang] CWG2398: improve overload resolution backw...

[Matheus Izvekov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 224519b08945637a85e9798c78286643288f7b77
      https://github.com/llvm/llvm-project/commit/224519b08945637a85e9798c78286643288f7b77
  Author: Matheus Izvekov <mizvekov at gmail.com>
  Date:   2024-10-10 (Thu, 10 Oct 2024)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Sema/Sema.h
    M clang/include/clang/Sema/TemplateDeduction.h
    M clang/lib/Sema/SemaLookup.cpp
    M clang/lib/Sema/SemaTemplate.cpp
    M clang/lib/Sema/SemaTemplateDeduction.cpp
    M clang/lib/Sema/SemaTemplateInstantiate.cpp
    M clang/test/SemaTemplate/cwg2398.cpp

  Log Message:
  -----------
  [clang] CWG2398: improve overload resolution backwards compat (#107350)

With this change, we discriminate if the primary template and which
partial specializations would have participated in overload resolution
prior to P0522 changes.

We collect those in an initial set. If this set is not empty, or the
primary template would have matched, we proceed with this set as the
candidates for overload resolution.

Otherwise, we build a new overload set with everything else, and proceed
as usual.



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