[Octave-bug-tracker] [bug #63300] valgrind warning from inv.cc

[Robert Jenssen]

URL:
  <https://savannah.gnu.org/bugs/?63300>

                 Summary: valgrind warning from inv.cc
                 Project: GNU Octave
               Submitter: morgawr
               Submitted: Tue 01 Nov 2022 05:17:53 AM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error or Warning
                  Status: None
             Assigned to: None
         Originator Name: Robert Jenssen
        Originator Email: 
             Open/Closed: Open
                 Release: 7.2.0
         Discussion Lock: Any
        Operating System: GNU/Linux


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Follow-up Comments:


-------------------------------------------------------
Date: Tue 01 Nov 2022 05:17:53 AM UTC By: Robert Jenssen <morgawr>
I get the following valgrind warning:

 Conditional jump or move depends on uninitialised value(s)
==1651789==    at 0x59E77A5: octave::Finv(octave_value_list const&, int)
(inv.cc:214)


This patch makes it go away:

--- octave-7.2.0/libinterp/corefcn/inv.cc       2022-07-28 23:08:26.000000000
+1000
+++ octave-7.2.0.new/libinterp/corefcn/inv.cc   2022-11-01 15:46:52.341223657
+1100
@@ -77,7 +77,7 @@
     err_square_matrix_required ("inverse", "A");
 
   octave_value result;
-  octave_idx_type info;
+  octave_idx_type info = 0;
   double rcond = 0.0;
   float frcond = 0.0;
   bool isfloat = arg.is_single_type ();









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