[all-commits] [llvm/llvm-project] 7de7d2: [clang] CWG2398: improve overload resolution backw...

[Matheus Izvekov via All-commits]

  Branch: refs/heads/users/mizvekov/clang-cwg2398-improve-overload-resolution
  Home:   https://github.com/llvm/llvm-project
  Commit: 7de7d24ddbd2a932f045c1a4455126388978d21c
      https://github.com/llvm/llvm-project/commit/7de7d24ddbd2a932f045c1a4455126388978d21c
  Author: Matheus Izvekov <mizvekov at gmail.com>
  Date:   2024-09-05 (Thu, 05 Sep 2024)

  Changed paths:
    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

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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