Fix O(n*m) in iterative error clearing with global safe-function index #222

Job	Run time
macos (x86_64, x64)	2m 33s
macos (aarch64, arm64)	2m 30s
windows (aarch64-pc-windows-msvc, x64)	4m 57s
sdist	2m 50s
windows (x86_64-pc-windows-msvc, x64)	5m 3s
linux (x86_64-unknown-linux-gnu)	3m 31s
linux (aarch64-unknown-linux-gnu)	3m 33s
Test with Python ${{ matrix.python-version }}	-1s
Merge artifacts	0s
	24m 56s

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