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3 Commits

Author SHA1 Message Date
George Karpenkov 81c84a9755 [analyzer] Bugfix for autorelease + main run loop leak checker 
Do not warn when the other message-send-expression is correctly wrapped
in a different autorelease pool.

Differential Revision: https://reviews.llvm.org/D49921

llvm-svn: 338314
 2018-07-30 22:18:21 +00:00
George Karpenkov f44b9070b9 [analyzer] Fix crash in RunLoopAutoreleaseChecker on empty children 
Differential Revision: https://reviews.llvm.org/D50012

llvm-svn: 338312
 2018-07-30 21:44:15 +00:00
George Karpenkov 7112483272 [analyzer] Syntactic matcher for leaks associated with run loop and autoreleasepool 
A checker for detecting leaks resulting from allocating temporary
autoreleasing objects before starting the main run loop.

Checks for two antipatterns:

1. ObjCMessageExpr followed by [[NARunLoop mainRunLoop] run] in the same
autorelease pool.

2. ObjCMessageExpr followed by [[NARunLoop mainRunLoop] run] in no
autorelease pool.

Happens-before relationship is modeled purely syntactically.

rdar://39299145

Differential Revision: https://reviews.llvm.org/D49528

llvm-svn: 337876
 2018-07-25 01:27:15 +00:00