[PATCH] D126907: Deferred Concept Instantiation Implementation Take 2

[Erich Keane via Phabricator via cfe-commits]

erichkeane updated this revision to Diff 458727.
erichkeane added a subscriber: wlei.
erichkeane added a comment.

Still WIP, but uploading to show that I'm still on this :/

The two modules related issues from libcxx are now fixed (as reported by @Mordante), and that configuration builds and passes all tests with MOST of this change.

HOWEVER, the first of two fixes for @wlei messes up how constraint expressions on class templates are compared, so the result is ~800 additional libcxx failures.  I'm still working through that.

There is a 2nd bug I found from @wlei 's reproducer which is captured in a commented out test in concepts.cpp.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D126907/new/

https://reviews.llvm.org/D126907

Files:
  clang/docs/ReleaseNotes.rst
  clang/include/clang/AST/ASTContext.h
  clang/include/clang/AST/Decl.h
  clang/include/clang/AST/DeclBase.h
  clang/include/clang/Sema/Sema.h
  clang/include/clang/Sema/Template.h
  clang/lib/AST/ASTContext.cpp
  clang/lib/AST/ASTImporter.cpp
  clang/lib/AST/Decl.cpp
  clang/lib/Sema/SemaConcept.cpp
  clang/lib/Sema/SemaDecl.cpp
  clang/lib/Sema/SemaExpr.cpp
  clang/lib/Sema/SemaOverload.cpp
  clang/lib/Sema/SemaTemplate.cpp
  clang/lib/Sema/SemaTemplateDeduction.cpp
  clang/lib/Sema/SemaTemplateInstantiate.cpp
  clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
  clang/lib/Sema/TreeTransform.h
  clang/lib/Serialization/ASTReaderDecl.cpp
  clang/lib/Serialization/ASTReaderStmt.cpp
  clang/lib/Serialization/ASTWriterDecl.cpp
  clang/test/CXX/temp/temp.constr/temp.constr.constr/non-function-templates.cpp
  clang/test/CXX/temp/temp.constr/temp.constr.order/class-template-partial-specializations.cpp
  clang/test/CXX/temp/temp.constr/temp.constr.order/var-template-partial-specializations.cpp
  clang/test/Modules/concept_serialization.cpp
  clang/test/SemaCXX/constrained-special-member-functions.cpp
  clang/test/SemaTemplate/concepts-friends.cpp
  clang/test/SemaTemplate/concepts.cpp
  clang/test/SemaTemplate/deferred-concept-inst.cpp
  clang/test/SemaTemplate/instantiate-requires-clause.cpp
  clang/test/SemaTemplate/trailing-return-short-circuit.cpp

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