serge-sans-paille 87f3a025e7 Bug 1850569 - Make it easier for the compiler to analyze mozilla::PrintfTarget::fill_n r=emilio
By coupling the state of `signwidth` and `sign`, we provide enough
information to the compiler for it to get rid of an extra mov as a
result of `-ftrivial-auto-var-init`.

Differential Revision: https://phabricator.services.mozilla.com/D187047
2023-08-29 19:33:46 +00:00
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