[all-commits] [llvm/llvm-project] 880fa7: Revert "[clang][SemaCXX] Diagnose tautological use...

[Sam McCall via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 880fa7faa97bad63e403c924263b01fb81783227
      https://github.com/llvm/llvm-project/commit/880fa7faa97bad63e403c924263b01fb81783227
  Author: Sam McCall <sam.mccall at gmail.com>
  Date:   2023-09-27 (Wed, 27 Sep 2023)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticASTKinds.td
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Parse/Parser.h
    M clang/include/clang/Sema/Sema.h
    M clang/lib/AST/ExprConstant.cpp
    M clang/lib/Parse/ParseDecl.cpp
    M clang/lib/Parse/ParseDeclCXX.cpp
    M clang/lib/Parse/ParseExpr.cpp
    M clang/lib/Parse/ParseExprCXX.cpp
    M clang/lib/Parse/ParseStmt.cpp
    M clang/lib/Sema/SemaChecking.cpp
    M clang/lib/Sema/SemaDecl.cpp
    M clang/lib/Sema/SemaDeclCXX.cpp
    M clang/lib/Sema/SemaExpr.cpp
    M clang/lib/Sema/SemaLambda.cpp
    M clang/lib/Sema/SemaStmt.cpp
    M clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
    M clang/test/AST/Interp/builtins.cpp
    M clang/test/AST/Interp/if.cpp
    M clang/test/AST/Interp/literals.cpp
    M clang/test/CXX/expr/expr.const/p2-0x.cpp
    M clang/test/CXX/expr/expr.const/p6-2a.cpp
    M clang/test/CXX/expr/expr.prim/expr.prim.lambda/p3.cpp
    M clang/test/CXX/stmt.stmt/stmt.select/stmt.if/p4.cpp
    M clang/test/Parser/pragma-fenv_access.c
    M clang/test/SemaCXX/constant-conversion.cpp
    M clang/test/SemaCXX/constant-expression-cxx11.cpp
    M clang/test/SemaCXX/cxx2a-consteval.cpp
    M clang/test/SemaCXX/cxx2b-consteval-if.cpp
    M clang/test/SemaCXX/cxx2b-consteval-propagate.cpp
    R clang/test/SemaCXX/fixit-tautological-meta-constant.cpp
    M clang/test/SemaCXX/vartemplate-lambda.cpp
    M clang/test/SemaCXX/warn-constant-evaluated-constexpr.cpp
    R clang/test/SemaCXX/warn-tautological-meta-constant.cpp
    M clang/test/SemaTemplate/concepts.cpp
    M clang/unittests/Support/TimeProfilerTest.cpp
    M libcxx/include/__type_traits/is_constant_evaluated.h
    M libcxx/test/std/algorithms/alg.modifying.operations/alg.copy/ranges.copy.segmented.pass.cpp
    M libcxx/test/std/utilities/meta/meta.const.eval/is_constant_evaluated.verify.cpp

  Log Message:
  -----------
  Revert "[clang][SemaCXX] Diagnose tautological uses of consteval if and is_constant_evaluated"

This reverts commit 491b2810fb7fe5f080fa9c4f5945ed0a6909dc92.

This change broke valid code and generated incorrect diagnostics, see
https://reviews.llvm.org/D155064