[Vm-dev] [OpenSmalltalk/opensmalltalk-vm] Reproduceable Segmentation fault while saving images (#444)

[Eliot Miranda]

Hi All,  to simplify checking there is now a generated image checker.  This is a cut-down VM that only loads an image and runs the leak checker, answering 0 (unix's OK exit code) if the image is free of leaks, and non-zero if it is leaky.  The program takes a -verbose/--verbose argument that will cause it to list the leaks or write a reassuring message if there are none.

This can be built for mac in build.macos64x64/squeak.stack.spur & build.macos32x86/squeak.stack.spur by saying make production (image leak checker) and it produces a program called validImage in squeak.stack.spur/build/vm.  I saw that it took 2 seconds to load and check a 1Gb image so it should be fast enough to be used in a CI context.

See https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/f83bde2bf5c325ce26f3368bc221578a752a9631

HTH

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