[Bug c/78135] In an unsigned long (64 bit) 1<<31 gives rubbish

[jmdh01 at btinternet dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78135

John Hunter <jmdh01 at btinternet dot com> changed:

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                 CC|                            |jmdh01 at btinternet dot com

--- Comment #3 from John Hunter <jmdh01 at btinternet dot com> ---
Created attachment 39912
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39912&action=edit
Short program to demonstrate the bug