[PATCH] D109496: [clang] deprecate frelaxed-template-template-args, make it on by default

[Matheus Izvekov via Phabricator via cfe-commits]

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mizvekov added a comment.

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A resolution to the ambiguity issues created by P0522, which is a DR solving
CWG 150, did not come as expected, so we are just going to accept the change,
and watch how users digest it.

For now we deprecate the flag with a warning, and make it on by default.
We don't remove the flag completely in order to give users a chance to
work around any problems by disabling it.

Signed-off-by: Matheus Izvekov <mizvekov at gmail.com>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D109496

Files:
  clang/include/clang/Basic/DiagnosticDriverKinds.td
  clang/include/clang/Basic/LangOptions.def
  clang/include/clang/Driver/Options.td
  clang/lib/Driver/SanitizerArgs.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Driver/ToolChains/CommonArgs.cpp
  clang/lib/Sema/SemaTemplate.cpp
  clang/test/CXX/temp/temp.arg/temp.arg.template/p3-2a.cpp
  clang/test/Driver/frelaxed-template-template-args.cpp
  clang/test/Lexer/cxx-features.cpp
  clang/test/SemaTemplate/deduction.cpp
  clang/test/SemaTemplate/default-arguments.cpp
  clang/test/SemaTemplate/instantiate-template-template-parm.cpp
  clang/test/SemaTemplate/nested-template.cpp
  clang/test/SemaTemplate/temp_arg_template.cpp
  clang/test/SemaTemplate/temp_arg_template_cxx1z.cpp
  clang/www/cxx_status.html

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