compiler: Fix bug in snapshotting #15849

Job	Run time
android	1m 44s
cpp_test_driver (ubuntu-22.04)	6m 38s
cpp_cmake (macos-12, 1.73)	11m 51s
build_and_test (ubuntu-22.04, 1.73)	13m 21s
cpp_cmake (windows-2022, nightly)	8m 47s
build_and_test (macos-12, stable)	29m 46s
cpp_cmake (ubuntu-22.04, stable)	7m 2s
esp-idf-quick	8m 51s
build_and_test (windows-2022, stable)	13m 18s
cpp_test_driver (macos-12)	4m 28s
build_and_test (windows-2022, 1.73)	20m 57s
ffi_32bit_build	1m 37s
cpp_test_driver (windows-2022)	8m 45s
build_and_test (windows-2022, beta, --exclude ffmpeg --exclude gstreamer-player)	20m 55s
fmt_test	1m 50s
build_and_test (ubuntu-22.04, nightly)	9m 55s
mcu (pico-st7789, thumbv6m-none-eabi)	42s
mcu_esp	2m 27s
miri	52s
mcu (stm32h735g, thumbv7em-none-eabihf)	43s
node_test (ubuntu-22.04)	3m 2s
node_test (macos-12)	5m 25s
python_test (ubuntu-22.04)	1m 38s
node_test (windows-2022)	14m 24s
uefi-demo	46s
python_test (macos-12)	1m 44s
updater_test (0.3.0)	1m 34s
python_test (windows-2022)	2m 34s
docs / docs	1m 31s
tree-sitter / tree-sitter-tests	9s
wasm / wasm	5m 45s
wasm_demo / wasm_demo	14m 36s
wasm / build-slintpad	0s
wasm / lint-slintpad	0s
cpp_package_test	2m 26s
	3h 50m 3s

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