[LLVMbugs] [Bug 11870] New: false positive leak checking for objects in collection classes

bugzilla-daemon at llvm.org bugzilla-daemon at llvm.org
Fri Jan 27 07:55:44 PST 2012


http://llvm.org/bugs/show_bug.cgi?id=11870

             Bug #: 11870
           Summary: false positive leak checking for objects in collection
                    classes
           Product: clang
           Version: trunk
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P
         Component: Static Analyzer
        AssignedTo: kremenek at apple.com
        ReportedBy: mayer.julian at googlemail.com
                CC: llvmbugs at cs.uiuc.edu
    Classification: Unclassified


checker claims there is a leak in this piece of code although there obviously
isn't:

        NSObject *o = [[NSObject alloc] init];
        NSArray *a = [[NSArray alloc] initWithObjects:o, nil];

        for (NSObject *i in a)
            [i release];

        [a release];




main.m:15:23: warning: Potential leak of an object allocated on line 15 and
stored into 'o'
         NSObject *o = [[NSObject alloc] init];
                       ^
1 warning generated.

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