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8 Commits

Author SHA1 Message Date
Haojian Wu 09e7fe9859 [AST][RecoveryAST] Preserve the type by default for recovery expression. 
Differential Revision: https://reviews.llvm.org/D82657
 2020-08-24 14:28:28 +02:00
Saar Raz 67c608a969 [Concepts] Deprecate -fconcepts-ts, enable Concepts under -std=c++2a 
Now with concepts support merged and mostly complete, we do not need -fconcepts-ts
(which was also misleading as we were not implementing the TS) and can enable
concepts features under C++2a. A warning will be generated if users still attempt
to use -fconcepts-ts.
 2020-01-24 00:48:59 +02:00
Saar Raz b65b1f322b [Concepts] Function trailing requires clauses 
Function trailing requires clauses now parsed, supported in overload resolution and when calling, referencing and taking the address of functions or function templates.

Differential Revision: https://reviews.llvm.org/D43357
 2020-01-09 15:07:51 +02:00
Saar Raz df061c3e2b [Concepts] Constrained partial specializations and function overloads. 
Added support for constraint satisfaction checking and partial ordering of constraints in constrained partial specialization and function template overloads.
Re-commit after fixing another crash (added regression test).

Differential Revision: https://reviews.llvm.org/D41910
 2019-12-23 08:37:35 +02:00
Reid Kleckner 79cc9e9b30 Revert "[Concepts] Constrained partial specializations and function overloads." 
This reverts commit d3f5769d5e.

Causes crashes on Chromium. Have reproducer, will reduce and send along.
 2019-12-22 11:40:07 -08:00
Saar Raz d3f5769d5e [Concepts] Constrained partial specializations and function overloads. 
Added support for constraint satisfaction checking and partial ordering of constraints in constrained partial specialization and function template overloads.
Re-commit after fixing some crashes and warnings.

Differential Revision: https://reviews.llvm.org/D41910
 2019-12-22 13:15:38 +02:00
Vedant Kumar 5094e6dad6 Revert concepts changes from D41910 
These changes caused LibcxxVariantDataFormatterTestCase in lldb to fail
with an assert:

Assertion failed: (Idx < size() && "Out-of-bounds Bit access."),
function operator[], file
/Users/buildslave/jenkins/workspace/lldb-cmake/llvm-project/llvm/include/llvm/ADT/SmallBitVector.h,
line 452.

In:

7  clang-10                 0x00000001094b79d9 isAtLeastAsSpecializedAs(clang::Sema&, clang::SourceLocation, clang::FunctionTemplateDecl*, clang::FunctionTemplateDecl*, clang::TemplatePartialOrderingContext, unsigned int) + 1865
8  clang-10                 0x00000001094b7111 clang::Sema::getMoreSpecializedTemplate(clang::FunctionTemplateDecl*, clang::FunctionTemplateDecl*, clang::SourceLocation, clang::TemplatePartialOrderingContext, unsigned int, unsigned int) + 97
9  clang-10                 0x000000010939bf88 clang::isBetterOverloadCandidate(clang::Sema&, clang::OverloadCandidate const&, clang::OverloadCandidate const&, clang::SourceLocation, clang::OverloadCandidateSet::CandidateSetKind) + 1128

Revert "[Concepts] Fix incorrect move out of temporary in D41910"

This reverts commit 11d5fa6e87.

Revert "[Concepts] Fix crash in D41910"

This reverts commit 12038be20e.

Revert "[Concepts] Constrained partial specializations and function overloads."

This reverts commit fc0731b98a.
 2019-12-18 15:02:39 -08:00
Saar Raz fc0731b98a [Concepts] Constrained partial specializations and function overloads. 
Added support for constraint satisfaction checking and partial ordering of constraints in constrained partial specialization and function template overloads.

Phabricator: D41910
 2019-12-18 21:01:31 +02:00