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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-728) [HP aCC 6.16] bogus warning #20200: potential null pointer dereference
Date Wed, 13 Feb 2008 23:07:08 GMT
[HP aCC 6.16] bogus warning #20200: potential null pointer dereference
----------------------------------------------------------------------

                 Key: STDCXX-728
                 URL: https://issues.apache.org/jira/browse/STDCXX-728
             Project: C++ Standard Library
          Issue Type: Bug
          Components: External
         Environment: $ uname -sr && aCC -V            
HP-UX B.11.31
aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]

            Reporter: Martin Sebor


This looks like a bug in cadvise/aCC 6:

{noformat}
$ cat t.cpp && aCC +w -c -V t.cpp
int bar ();

int foo (int *a, int i)
{
    int *p;
    if (i) p = a; else p = 0;

    if (i)
        return *p;
    return 0;
}

int foobar (int *a, int i)
{
    int *p;
    if (i) p = a; else p = 0;

    if (bar ())
        if (i)
            return *p;
    return 0;
}
aCC: HP C/aC++ B3910B A.06.16 [Nov 26 2007]
"t.cpp", line 20, procedure foobar: warning #20200-D: Potential null pointer
          dereference through p is detected (null definition:t.cpp, line 16)
{noformat}

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