[Clp] initialBarrierSolve aborts program on infeasible problem

[Henning Thielemann]

On Wed, 6 Dec 2023, Henning Thielemann wrote:

> Attached is a C++ program that loads the according MPS file. All methods 
> other than initialBarrierSolve correctly report the infeasibility via 
> status, but initialBarrierSolve aborts the program:

Attached is an even smaller MPS problem with only two variables, if that 
helps.
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NAME          ClpDefau
ROWS
 N  OBJROW
 L  R0000000
 G  R0000001
 G  R0000002
 G  R0000003
 G  R0000004
 L  R0000005
 L  R0000006
COLUMNS
    C0000000  OBJROW     -6.        
    C0000000  R0000000  1.          
    C0000001  OBJROW    7.          
    C0000001  R0000000   -9.        
    C0000001  R0000001  6.          
    C0000001  R0000003  4.          
RHS
    RHS       R0000000   -1.        
    RHS       R0000001   -85.       
    RHS       R0000002   -26.       
    RHS       R0000003   -71.       
    RHS       R0000004   -60.       
    RHS       R0000005   -61.       
    RHS       R0000006  89.         
BOUNDS
 LO BOUND     C0000000   -53.       
 UP BOUND     C0000000  75.         
 LO BOUND     C0000001   -67.       
 UP BOUND     C0000001  56.         
ENDATA