Subject: bug#63288: 30.0.50; Emacs 30 packages fail to build with native comp on some machines

From: Stefan Monnier <[email-masked]>
Date: Wed, 19 Feb 2025 16:33:18 -0500

> Does setting byte-compile-delete-errors actually have the same effect?

Not at all, no.  What it does is tell the compiler that it's OK to erase
code whose return value is unused even if the code could signal
an error at run time, as in:

    (let ((x (/ 5 n)))
      (+ n 1))

where the division usually can't be optimized away because it should
signal an error when `n` is zero.

        Stefan