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  1. C++ Standard Library
  2. STDCXX-852

[HP aCC 6.16] bogus warning #20206-D: Out of bound access on a loop

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    Details

    • Type: Bug
    • Status: Open
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: External
    • Labels:
      None
    • Environment:

      HP aCC 6.16

    • Severity:
      Compiler Warning

      Description

      The warning below is bogus:

      $ cat t.cpp && aCC -c +O +w t.cpp 
      int foo ()
      {
          int a1 [] = { 2, 1, 0 };
          int a2 [] = { 0, 1, 2 };
      
          bool b = true;
          int i;
          for (i = 0; i != 3; ++i) {
              b = a1 [i] == a2 [i];
              if (!b) break;
          }
      
          if (!b) return a1 [i];
          return 0;
      }
      "t.cpp", line 13, procedure foo: warning #20206-D: Out of bound access (In
                expression "&a1[i]", array "a1" [t.cpp:3] (type: int [3]) has
                element range [0 .. 2], reading element range [0 .. 3].)
      

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              • Assignee:
                Unassigned
                Reporter:
                sebor Martin Sebor
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                Dates

                • Created:
                  Updated: