Update listing_7.5.cpp - Undefined behaviour#60
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Jonny0201 wants to merge 1 commit intoanthonywilliams:mainfrom
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Update listing_7.5.cpp - Undefined behaviour#60Jonny0201 wants to merge 1 commit intoanthonywilliams:mainfrom
Jonny0201 wants to merge 1 commit intoanthonywilliams:mainfrom
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If `old_head` is a null pointer, `chain_pending_node` will read the member variable `next` from a null pointer.
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If
old_headis a null pointer,chain_pending_nodewill read the member variablenextfrom a null pointer.