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Internals: Add some additional dangling checks. No functional change intended

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This commit is contained in:
Wilson Snyder
2025-12-07 13:25:37 -05:00
parent 587f363e03
commit 35a794687b
7 changed files with 11 additions and 11 deletions
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src/V3LinkDot.cpp
+3 -3
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@@ -1870,13 +1870,13 @@ class LinkDotFindVisitor final : public VNVisitor {
for (AstNode *nextp, *argp = loopvarsp->elementsp(); argp; argp = nextp) {
nextp = argp->nextp();
AstVar* argrefp = nullptr;
if (const auto parserefp = VN_CAST(argp, ParseRef)) {
if (AstParseRef* const parserefp = VN_CAST(argp, ParseRef)) {
// We use an int type, this might get changed in V3Width when types resolve
argrefp = new AstVar{parserefp->fileline(), VVarType::BLOCKTEMP,
parserefp->name(), argp->findSigned32DType()};
argrefp->lifetime(VLifetime::AUTOMATIC_EXPLICIT);
parserefp->replaceWith(argrefp);
VL_DO_DANGLING(parserefp->deleteTree(), parserefp);
VL_DO_DANGLING2(parserefp->deleteTree(), parserefp, argp);
// Insert argref's name into symbol table
m_statep->insertSym(m_curSymp, argrefp->name(), argrefp, nullptr);
} else if (const auto largrefp = VN_CAST(argp, Var)) {
@@ -4646,7 +4646,7 @@ class LinkDotResolveVisitor final : public VNVisitor {
AstNode* addp = pinp;
if (AstArg* const argp = VN_CAST(pinp, Arg)) {
addp = argp->exprp()->unlinkFrBack();
VL_DO_DANGLING(pushDeletep(pinp), pinp);
VL_DO_DANGLING2(pushDeletep(pinp), pinp, argp);
}
outp = AstNode::addNext(outp, addp);
}