Michael Matz fbef90a703 Fix a VLA problem ...

see testcase, reduced example of a situation reported by
Kyryl Melekhin in https://github.com/kyx0r/neatvi/ .
Problem is that setting up the VLA sp-save in a scope that isn't
entered at runtime leaves traces of it in outer scopes that then
try to restore the stack pointer from uninitialized slots.

2021-02-03 04:30:11 +01:00

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