Changeset c8a874736ed2 initializes "vstack = vtop" instead of "vstack = vtop - 1" vtop should always point to the top of the vstack, so when the stack is empty, vtop == vstack - 1. With Landley's fix, vstack[0] is left uninitialized, and when save_reg is called, it stores a register (usually eax, if vstack is zeroed) onto the stack for no reason at all.
For now I've backed out the relevant changeset; the long long problem (in changeset c8a...) should be fixed another way.
landley-unfix.bundle
Description: Binary data
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