[all-commits] [llvm/llvm-project] 19e217: Revert "[Clang] Eagerly instantiate used constexpr...

[cor3ntin via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 19e2174d54356e1654583a65ff9cd38eccf797ee
      https://github.com/llvm/llvm-project/commit/19e2174d54356e1654583a65ff9cd38eccf797ee
  Author: Corentin Jabot <corentinjabot at gmail.com>
  Date:   2023-12-02 (Sat, 02 Dec 2023)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Sema/ExternalSemaSource.h
    M clang/include/clang/Sema/MultiplexExternalSemaSource.h
    M clang/include/clang/Sema/Sema.h
    M clang/include/clang/Serialization/ASTBitCodes.h
    M clang/include/clang/Serialization/ASTReader.h
    M clang/lib/Sema/MultiplexExternalSemaSource.cpp
    M clang/lib/Sema/SemaDecl.cpp
    M clang/lib/Sema/SemaExpr.cpp
    M clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
    M clang/lib/Serialization/ASTReader.cpp
    M clang/lib/Serialization/ASTWriter.cpp
    R clang/test/PCH/instantiate-used-constexpr-function.cpp
    R clang/test/SemaTemplate/instantiate-used-constexpr-function.cpp

  Log Message:
  -----------
  Revert "[Clang] Eagerly instantiate used constexpr function upon definition. (#73463)"

This reverts commit 030047c432cac133738be68fa0974f70e69dd58d.

Breaks Qt and is inconsistent with GCC.

See the following issue for details:

Fixes #74069