[Bug c++/90353] No warning on unused exception parameter with -Wall -Wextra

[mark.z.harrison at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90353

--- Comment #1 from Mark Harrison <mark.z.harrison at gmail dot com> ---
Created attachment 46296
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46296&action=edit
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