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Sema: wrap optionals in zirPtrCast when needed

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This commit is contained in:
Veikka Tuominen
2022-10-29 15:18:07 +03:00
parent 278c32976e
commit 7705a4e865
1 changed files with 3 additions and 0 deletions
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3
src/Sema.zig
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@@ -18947,6 +18947,9 @@ fn zirPtrCast(sema: *Sema, block: *Block, inst: Zir.Inst.Index) CompileError!Air
if (!dest_ty.ptrAllowsZero() and operand_val.isNull()) {
return sema.fail(block, operand_src, "null pointer casted to type {}", .{dest_ty.fmt(sema.mod)});
}
if (dest_ty.zigTypeTag() == .Optional and sema.typeOf(ptr).zigTypeTag() != .Optional) {
return sema.addConstant(dest_ty, try Value.Tag.opt_payload.create(sema.arena, operand_val));
}
return sema.addConstant(aligned_dest_ty, operand_val);
}