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Author SHA1 Message Date
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 ff1e0fce81 [Concepts] Type Constraints 
Add support for type-constraints in template type parameters.
Also add support for template type parameters as pack expansions (where the type constraint can now contain an unexpanded parameter pack).

Differential Revision: https://reviews.llvm.org/D44352
 2020-01-15 04:02:39 +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 0330fba6e1 [Concept] Associated Constraints Infrastructure 
Add code to correctly calculate the associated constraints of a template (no enforcement yet).
D41284 on Phabricator.

llvm-svn: 374938
 2019-10-15 18:44:06 +00:00
Saar Raz 5d98ba6077 [Concepts] Concept Specialization Expressions 
Part of C++20 Concepts implementation effort. Added Concept Specialization Expressions that are created when a concept is refe$

D41217 on Phabricator.

(recommit after fixing failing Parser test on windows)

llvm-svn: 374903
 2019-10-15 15:24:26 +00:00
Nico Weber b4638f9ff0 Revert 374882 "[Concepts] Concept Specialization Expressions" 
This reverts commit ec87b00382.
The test fails on Windows, see e.g.
http://lab.llvm.org:8011/builders/clang-x64-windows-msvc/builds/11533/steps/stage%201%20check/logs/stdio

Also revert follow-up r374893.

llvm-svn: 374899
 2019-10-15 14:46:39 +00:00
Saar Raz ec87b00382 [Concepts] Concept Specialization Expressions 
Part of C++20 Concepts implementation effort. Added Concept Specialization Expressions that are created when a concept is referenced with arguments, and tests thereof.

llvm-svn: 374882
 2019-10-15 11:48:58 +00:00