Fix: Memory access halting heuristic #2662

Job	Run time
build-linux (ubuntu-22.04, jammy, clang-18, 12.2.Rel1)	1m 20s
build-linux (jammy, 96b_carbon)	35s
build-linux (ubuntu-22.04, jammy, gcc-13, 12.2.Rel1)	6m 51s
build-linux (jammy, bluepill)	37s
build-linux (jammy, ctxlink)	34s
build-linux (jammy, f072)	41s
build-mingw (windows-2022, mingw64)	2m 39s
build-linux (jammy, f3)	34s
build-msvc (meson, windows-2022)	1m 21s
build-mingw (windows-2022, ucrt64)	2m 42s
build-linux (jammy, f4discovery)	45s
build-linux (jammy, hydrabus)	34s
build-mingw (windows-2022, clang64)	2m 39s
build-linux (jammy, launchpad-icdi)	39s
build-macos (macos-latest)	23s
build-linux (jammy, native)	34s
build-macos (macos-12)	29s
build-linux (jammy, stlink)	31s
build-macos (macos-13, gcc@11)	1m 27s
build-linux (jammy, stlinkv3)	38s
size-diff	28s
build-macos (macos-13, gcc@12)	1m 47s
build-linux (jammy, swlink)	39s
build-macos (macos-13, gcc@13)	1m 30s
build-macos (macos-13, gcc@14)	1m 52s
	32m 49s

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