[LLVMbugs] [Bug 2519] New: scan-build ignores CFRelease

bugzilla-daemon at cs.uiuc.edu bugzilla-daemon at cs.uiuc.edu
Thu Jul 3 23:44:50 PDT 2008


           Summary: scan-build ignores CFRelease
           Product: clang
           Version: unspecified
          Platform: Macintosh
        OS/Version: MacOS X
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Semantic Analyzer
        AssignedTo: unassignedbugs at nondot.org
        ReportedBy: boredzo at gmail.com
                CC: llvmbugs at cs.uiuc.edu

Created an attachment (id=1801)
 --> (http://llvm.org/bugs/attachment.cgi?id=1801)
Test program. Use `make static-analysis` to run the analyzer.

The static analyzer flags false memory leaks on some objects that the
program under analysis actually does release, if it does so using CFRelease.

The problem seems to be related to putting the object into a CF collection
before releasing it. The program also releases the collection, also using
CFRelease. Simply creating a CF object and releasing it is not enough to
reproduce the bug.

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