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Author SHA1 Message Date
Ilya Biryukov ec3060c72d [AST] Refactor propagation of dependency bits. NFC 
Summary:
This changes introduces an enum to represent dependencies as a bitmask
and extract common patterns from code that computes dependency bits into
helper functions.

Reviewers: rsmith, martong, shafik, ilya-biryukov, hokein

Subscribers: hokein, sammccall, Mordante, riccibruno, merge_guards_bot, rnkovacs, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D71920
 2020-03-04 11:25:17 +01:00
Saar Raz c83d9bedc0 [Concept] Fix incorrect check for containsUnexpandedParameterPack in CSE 
We previously checked for containsUnexpandedParameterPack in CSEs by observing the property
in the converted arguments of the CSE. This may not work if the argument is an expanded
type-alias that contains a pack-expansion (see added test).

Check the as-written arguments when determining containsUnexpandedParameterPack and isInstantiationDependent.
 2020-01-30 20:45:44 +02:00
Saar Raz a0f50d7316 [Concepts] Requires Expressions 
Implement support for C++2a requires-expressions.

Re-commit after compilation failure on some platforms due to alignment issues with PointerIntPair.

Differential Revision: https://reviews.llvm.org/D50360
 2020-01-19 00:23:26 +02:00
Saar Raz baa84d8cde Revert "[Concepts] Requires Expressions" 
This reverts commit 0279318997.

There have been some failing tests on some platforms, reverting while investigating.
 2020-01-18 14:58:01 +02:00
Saar Raz 0279318997 [Concepts] Requires Expressions 
Implement support for C++2a requires-expressions.

Differential Revision: https://reviews.llvm.org/D50360
 2020-01-18 09:15:36 +02:00