Dmitri Gribenko 405c3a6be1 [clang-tidy] New check to warn when storing dispatch_once_t in non-static, non-global storage. ... Summary: Creates a new darwin ClangTidy module and adds the darwin-dispatch-once-nonstatic check that warns about dispatch_once_t variables not in static or global storage. This catches a missing static for local variables in e.g. singleton initialization behavior, and also warns on storing dispatch_once_t values in Objective-C instance variables. C/C++ struct/class instances may potentially live in static/global storage, and are ignored for this check. The osx.API static analysis checker can find the non-static storage use of dispatch_once_t; I thought it useful to also catch this issue in clang-tidy when possible. This is a re-land of https://reviews.llvm.org/D67567 Reviewers: thakis, gribozavr, stephanemoore Subscribers: Eugene.Zelenko, mgorny, xazax.hun, jkorous, arphaman, kadircet, usaxena95 Tags: #clang-tools-extra, #clang, #llvm Differential Revision: https://reviews.llvm.org/D68109 llvm-svn: 373065		2019-09-27 10:49:12 +00:00
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CMakeLists.txt	[clang-tidy] New check to warn when storing dispatch_once_t in non-static, non-global storage.	2019-09-27 10:49:12 +00:00
DarwinTidyModule.cpp	[clang-tidy] New check to warn when storing dispatch_once_t in non-static, non-global storage.	2019-09-27 10:49:12 +00:00
DispatchOnceNonstaticCheck.cpp	[clang-tidy] New check to warn when storing dispatch_once_t in non-static, non-global storage.	2019-09-27 10:49:12 +00:00
DispatchOnceNonstaticCheck.h	[clang-tidy] New check to warn when storing dispatch_once_t in non-static, non-global storage.	2019-09-27 10:49:12 +00:00