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fix(vm): preserve live registers across metamethod calls - #150
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efegokdemir wants to merge 1 commit into
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efegokdemir wants to merge 1 commit into
efegokdemir wants to merge 1 commit into
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An
__indexcall during table construction can overwrite a live Lua register when the frame's temporary stack top is below its reserved slots. In issue #50's example, the second value becomesASDASD binstead ofb ASD b. Reserve the frame's stack slots for the tag method call, restore the temporary top afterwards, and cover the case with a regression test.go test -vet=off -race ./...passes; the default vet step is blocked by existing Go 1.27 diagnostics indoc_test.go.Fixes #50.