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fix: comptime VM reg→value bridge for optional results (issue 0162)

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Add an .optional arm to regToValue in comptime_vm.zig: read the
has_value flag at offset sizeof(child), bridge the payload recursively
into a { payload, i1=true } aggregate when set, yield .null_val (zero
{T,i1}) when clear or the bare null sentinel. Matching serialize arm in
serializeAggregateValue (emit_llvm.zig). Pointer/?Closure/?Protocol-child
optionals and array-payload aggregates bail loudly, not silently.

Regression: examples/comptime/0643-comptime-run-optional-aggregate.sx
(present ?T, present ?i64, null ?i64). Verified by 3 adversarial reviews.
This commit is contained in:
agra
2026-06-22 19:42:41 +03:00
parent ff9e448f8c
commit 7c21f84151
7 changed files with 106 additions and 0 deletions
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X.a = 7
X.b = 11
Y = 5
N = -1