[all-commits] [llvm/llvm-project] 2cbf27: [clang] fix nondeduced mismatch with nullptr templ...

[Matheus Izvekov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2cbf2798ae55ddc36aac130df21353fc82891bcf
      https://github.com/llvm/llvm-project/commit/2cbf2798ae55ddc36aac130df21353fc82891bcf
  Author: Matheus Izvekov <mizvekov at gmail.com>
  Date:   2025-01-28 (Tue, 28 Jan 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/lib/Sema/SemaTemplateDeduction.cpp
    M clang/test/SemaTemplate/cwg2398.cpp

  Log Message:
  -----------
  [clang] fix nondeduced mismatch with nullptr template arguments (#124498)

In deduction, when comparing template arguments of value kind, we should
check if the value matches. Values of different types can still match.
For example, `short(0)` matches `int(0)`.

Values of nullptr kind always match each other, since there is only one
such possible value. Similarly to integrals, the type does not matter.



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