[all-commits] [llvm/llvm-project] 07f338: Revert "[clang] Implement instantiation context no...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 07f3388fff0c73c1119d06ca1c2353fd012361c0
      https://github.com/llvm/llvm-project/commit/07f3388fff0c73c1119d06ca1c2353fd012361c0
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2025-03-10 (Mon, 10 Mar 2025)

  Changed paths:
    M clang/docs/ReleaseNotes.rst
    M clang/include/clang/Basic/DiagnosticSemaKinds.td
    M clang/include/clang/Sema/Sema.h
    M clang/lib/Frontend/FrontendActions.cpp
    M clang/lib/Sema/SemaInit.cpp
    M clang/lib/Sema/SemaLambda.cpp
    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/AST/ByteCode/cxx1z.cpp
    M clang/test/AST/ByteCode/cxx20.cpp
    M clang/test/AST/ByteCode/cxx98.cpp
    M clang/test/AST/ByteCode/records.cpp
    M clang/test/CXX/basic/basic.lookup/basic.lookup.unqual/p7.cpp
    M clang/test/CXX/dcl.decl/dcl.init/dcl.init.list/p7-0x.cpp
    M clang/test/CXX/drs/cwg0xx.cpp
    M clang/test/CXX/drs/cwg10xx.cpp
    M clang/test/CXX/drs/cwg13xx.cpp
    M clang/test/CXX/drs/cwg18xx.cpp
    M clang/test/CXX/drs/cwg1xx.cpp
    M clang/test/CXX/drs/cwg20xx.cpp
    M clang/test/CXX/drs/cwg21xx.cpp
    M clang/test/CXX/drs/cwg3xx.cpp
    M clang/test/CXX/drs/cwg4xx.cpp
    M clang/test/CXX/drs/cwg6xx.cpp
    M clang/test/CXX/expr/expr.const/p3-0x.cpp
    M clang/test/CXX/expr/expr.prim/expr.prim.req/type-requirement.cpp
    M clang/test/CXX/temp/temp.arg/temp.arg.nontype/p1-11.cpp
    M clang/test/CXX/temp/temp.arg/temp.arg.nontype/p1.cpp
    M clang/test/CXX/temp/temp.arg/temp.arg.nontype/p5.cpp
    M clang/test/CXX/temp/temp.arg/temp.arg.template/p3-0x.cpp
    M clang/test/CXX/temp/temp.arg/temp.arg.template/p3-2a.cpp
    M clang/test/CXX/temp/temp.arg/temp.arg.type/p2.cpp
    M clang/test/CXX/temp/temp.decls/temp.class.spec/p8-1y.cpp
    M clang/test/CXX/temp/temp.decls/temp.variadic/fixed-expansion.cpp
    M clang/test/CXX/temp/temp.decls/temp.variadic/multi-level-substitution.cpp
    M clang/test/CXX/temp/temp.deduct/p9.cpp
    M clang/test/CXX/temp/temp.param/p1.cpp
    M clang/test/CXX/temp/temp.param/p12.cpp
    M clang/test/CXX/temp/temp.param/p15-cxx0x.cpp
    M clang/test/CXX/temp/temp.param/p8-cxx20.cpp
    M clang/test/CXX/temp/temp.res/temp.dep/temp.dep.constexpr/p2.cpp
    M clang/test/CXX/temp/temp.spec/cxx1y-variable-template-no-body.cpp
    M clang/test/CXX/temp/temp.spec/part.spec.cpp
    M clang/test/CXX/temp/temp.spec/temp.expl.spec/p20.cpp
    M clang/test/Misc/integer-literal-printing.cpp
    M clang/test/Modules/malformed-constraint-template-non-type-parm-decl.cpp
    M clang/test/Modules/missing-body-in-import.cpp
    M clang/test/Modules/template-default-args.cpp
    M clang/test/Parser/MicrosoftExtensions.cpp
    M clang/test/Parser/cxx-template-argument.cpp
    M clang/test/Parser/cxx-template-template-recovery.cpp
    M clang/test/Parser/cxx1z-class-template-argument-deduction.cpp
    M clang/test/SemaCXX/access-base-class.cpp
    M clang/test/SemaCXX/alias-template.cpp
    M clang/test/SemaCXX/anonymous-struct.cpp
    M clang/test/SemaCXX/constant-expression-cxx11.cpp
    M clang/test/SemaCXX/constant-expression.cpp
    M clang/test/SemaCXX/cxx1z-noexcept-function-type.cpp
    M clang/test/SemaCXX/cxx2a-consteval.cpp
    M clang/test/SemaCXX/cxx98-compat-flags.cpp
    M clang/test/SemaCXX/cxx98-compat.cpp
    M clang/test/SemaCXX/implicit-member-functions.cpp
    M clang/test/SemaCXX/lambda-expressions.cpp
    M clang/test/SemaCXX/make_integer_seq.cpp
    M clang/test/SemaCXX/type-trait-common-type.cpp
    M clang/test/SemaCXX/undefined-internal.cpp
    M clang/test/SemaCXX/warn-deprecated-specializations-in-system-headers.cpp
    M clang/test/SemaHLSL/BuiltIns/RWBuffers.hlsl
    M clang/test/SemaHLSL/BuiltIns/StructuredBuffers.hlsl
    M clang/test/SemaObjCXX/parameterized_classes_subst.mm
    M clang/test/SemaTemplate/alias-templates.cpp
    M clang/test/SemaTemplate/cwg2398.cpp
    M clang/test/SemaTemplate/default-arguments.cpp
    M clang/test/SemaTemplate/instantiate-member-pointers.cpp
    M clang/test/SemaTemplate/instantiate-template-template-parm.cpp
    M clang/test/SemaTemplate/instantiation-default-1.cpp
    M clang/test/SemaTemplate/instantiation-default-2.cpp
    M clang/test/SemaTemplate/instantiation-dependence.cpp
    M clang/test/SemaTemplate/instantiation-depth-defarg.cpp
    M clang/test/SemaTemplate/instantiation-depth-exception-spec.cpp
    M clang/test/SemaTemplate/instantiation-depth.cpp
    M clang/test/SemaTemplate/ms-unqualified-base-class.cpp
    M clang/test/SemaTemplate/nested-template.cpp
    M clang/test/SemaTemplate/partial-spec-instantiate.cpp
    M clang/test/SemaTemplate/recovery-crash.cpp
    M clang/test/SemaTemplate/stack-exhaustion.cpp
    M clang/test/SemaTemplate/temp_arg.cpp
    M clang/test/SemaTemplate/temp_arg_nontype.cpp
    M clang/test/SemaTemplate/temp_arg_nontype_cxx11.cpp
    M clang/test/SemaTemplate/temp_arg_nontype_cxx1z.cpp
    M clang/test/SemaTemplate/temp_arg_nontype_cxx20.cpp
    M clang/test/SemaTemplate/temp_arg_nontype_cxx2c.cpp
    M clang/test/SemaTemplate/temp_arg_template.cpp
    M clang/test/SemaTemplate/temp_arg_template_p0522.cpp
    M clang/test/SemaTemplate/temp_arg_type.cpp

  Log Message:
  -----------
  Revert "[clang] Implement instantiation context note for checking template parameters (#126088)"

This reverts commit a24523ac8dc07f3478311a5969184b922b520395.

This is causing significant compile-time regressions for C++ code, see:
https://github.com/llvm/llvm-project/pull/126088#issuecomment-2704874202



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