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Fix dearray varref scope error (#7530) (#7602)

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Fixes #7530.
This commit is contained in:
em2machine
2026-05-25 17:48:31 -04:00
committed by GitHub
parent 8872908704
commit a2d4b90b52
4 changed files with 150 additions and 1 deletions
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src/V3Ast.cpp
+9
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@@ -1698,6 +1698,15 @@ static VCastable computeCastableImp(const AstNodeDType* toDtp, const AstNodeDTyp
if (upcast) return VCastable::COMPATIBLE;
if (downcast) return VCastable::DYNAMIC_CLASS;
return VCastable::INCOMPATIBLE;
} else if (const AstIfaceRefDType* const toIfp = VN_CAST(toDtp, IfaceRefDType)) {
// Two interface refs are compatible if they point at the same interface
// module (and modport, if any). Pointer-equality on the dtype isn't
// enough since every cell binding clones the dtype.
const AstIfaceRefDType* const fromIfp = VN_CAST(fromDtp, IfaceRefDType);
if (fromIfp && toIfp->ifaceViaCellp() == fromIfp->ifaceViaCellp()
&& (!toIfp->modportp() || toIfp->modportp() == fromIfp->modportp())) {
return VCastable::COMPATIBLE;
}
}
return castable;
}