suspect-devices/circuitpython/supervisor/cpu.h, branch 6.0.x CircuitPython - a Python implementation for teaching coding with microcontrollers https://git.suspectdevices.com/suspect-devices/circuitpython/atom?h=6.0.x 2018-07-03T12:45:50+00:00 Mark pointers in cpu registers as in use. 2018-07-03T12:45:50+00:00 Scott Shawcroft scott@tannewt.org 2018-06-28T17:36:28+00:00 urn:sha1:ec78d3cefdd98b317a01840e172e7453013ada0c This prevents bugs where gc_collect is called from C code that did a recent allocation.