what causes segmentation fault in below program [duplicate]

what causes segmentation fault in below program [duplicate]

References

Reference NO 1

http://stackoverflow.com/questions/15165635/what-causes-segmentation-fault-in-below-program

Reference NO 2

http://stackoverflow.com/questions/5845239/why-there-is-a-segmentation-fault-in-this-case

Reference NO 3

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=1373

Reference NO 4

http://root.cern.ch/phpBB3/viewtopic.php?t=248

Reference NO 5

http://forums.codeguru.com/showthread.php?325118-segmentation-fault-during-cout

Reference NO 6

http://www.or-exchange.com/questions/3129/cplex-c-segmentation-fault-when-calling-solve

Reference NO 7

http://www.qtcentre.org/threads/47836-Program-runs-fine-in-Debug-mode-but-produces-segmentation-fault-in-Release-Mode

Reference NO 8

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