Segmentation Fault

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I could use some advice about a problem I am having.
I am working on a large 'C' program (several thousand lines) which uses=20
several very large arrays.  This program has no GUI yet.  The development=20
to this point has been on RedHat 7.3 and with the KDE environment and that =

combination works fine.  When I tried to upgrade to RedHat 9.0 my program=20
would crash giving me a Segmentation Fault.  What seems to be the only=20
real difference is that the operating environment is now GNOME. The same=20
thing happens on RedHat 7.3 with the GNOME environment.  When I follow the =

thread through with the debugger it crashes at a statement  flagT =3D -9;=20
which isn't much help.  This whole program of 29 source files compiles and =

links fine, and executes about half way through before it crashes.  Is=20
there something that I don't know about that should be included to run in=20
the GNOME environment?  I have searched the web for a similar example with =

no success.
Some tips would be very much appreciated.

Thanks a bunch
Larry
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<br><font size=3D3 face=3D"Times New Roman">I could use some advice about a=
 problem I am having.</font>
<br><font size=3D3 face=3D"Times New Roman">I am working on a large 'C' pro=
gram (several thousand lines) which uses several very large arrays. &nbsp;T=
his program has no GUI yet. &nbsp;The development to this point has been on=
 RedHat 7.3 and with the KDE environment and that combination works fine. &=
nbsp;When I tried to upgrade to RedHat 9.0 my program would crash giving me=
 a Segmentation Fault. &nbsp;What seems to be the only real difference is t=
hat the operating environment is now GNOME. The same thing happens on RedHa=
t 7.3 with the GNOME environment. &nbsp;When I follow the thread through wi=
th the debugger it crashes at a statement &nbsp;flagT =3D -9; which isn't m=
uch help. &nbsp;This whole program of 29 source files compiles and links fi=
ne, and executes about half way through before it crashes. &nbsp;Is there s=
omething that I don't know about that should be included to run in the GNOM=
E environment? &nbsp;I have searched the web for a similar example with no =
success.</font>
<br><font size=3D3 face=3D"Times New Roman">Some tips would be very much ap=
preciated.</font>
<br>
<br><font size=3D3 face=3D"Times New Roman">Thanks a bunch</font>
<br><font size=3D3 face=3D"Times New Roman">Larry</font>
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