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"Illegal Instruction" executed

Mark Ebden
Mark Ebden asked
on
Medium Priority
383 Views
Last Modified: 2011-10-03
Instead of running, my C program stops with the message "This program has performed an illegal instruction and will be terminated.  Quit all programs, and then restart your computer."  I tried restarting, and it didn't help.
What should I do?
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Commented:
You are probably using a dangling pointer somewhere. If you post
the misbehaving code so, I'll try to find it.

Commented:
Waiting for more details and/or code...
Commented:
You need to get more information.

- If your compiler has a debug mode, run the code one line at a
time and see which line break the program.  Once you have the line guessed, fixing it should be trivial (you hope).

- If not, plave MANY printf()'s in your code.  The section of code between the last printf shown and the first printf not shown will tell you which code section you need to check.  

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Commented:
Thanks; I was going to try that as a last resort.
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