https://bugs.llvm.org/show_bug.cgi?id=36290
Bug ID: 36290
Summary: False memory leak report involving self-deleting
object
Product: clang
Version: 6.0
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Static Analyzer
Assignee: dcough...@apple.com
Reporter: jakob.le...@gmail.com
CC: llvm-bugs@lists.llvm.org
Created attachment 19836
--> https://bugs.llvm.org/attachment.cgi?id=19836&action=edit
Example code that generates false memory leak report
The attached example reports a potential memory leak:
$ scan-build-6.0 clang++-6.0 -std=c++14 example.cpp
example.cpp:19:1: warning: Potential leak of memory pointed to by 'p'
}
^
I believe there is no memory leak in this example though.
The example exhibits a pattern sometimes used in smart pointer implementations,
such as Poco::AutoPtr:
https://pocoproject.org/docs/Poco.AutoPtr.html
I believe the same issue in the static analyzer causes memory leak and
null-pointer dereference warnings when using Poco::AutoPtr.
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