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Fix of deleting linked node in V3Randomize (#6718)

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Signed-off-by: Igor Zaworski <[email protected]>
This commit is contained in:
Igor Zaworski
2025-11-21 07:07:50 -05:00
committed by GitHub
parent 0b8c369740
commit 98d0eac149
3 changed files with 56 additions and 2 deletions
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src/V3Randomize.cpp
+2 -2
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@@ -900,7 +900,7 @@ class ConstraintExprVisitor final : public VNVisitor {
// Track this variable path as written
if (isGlobalConstrained) m_writtenVars.insert(smtName);
// For global constraints, delete nodep after processing
if (isGlobalConstrained) VL_DO_DANGLING(pushDeletep(nodep), nodep);
if (isGlobalConstrained && !nodep->backp()) VL_DO_DANGLING(pushDeletep(nodep), nodep);
AstCMethodHard* const methodp = new AstCMethodHard{
varp->fileline(),
new AstVarRef{varp->fileline(), VN_AS(m_genp->user2p(), NodeModule), m_genp,
@@ -958,7 +958,7 @@ class ConstraintExprVisitor final : public VNVisitor {
// Variable already written, clean up cloned membersel if any
if (membersel) VL_DO_DANGLING(membersel->deleteTree(), membersel);
// Delete nodep if it's a global constraint (not deleted yet)
if (isGlobalConstrained) VL_DO_DANGLING(pushDeletep(nodep), nodep);
if (isGlobalConstrained && !nodep->backp()) VL_DO_DANGLING(pushDeletep(nodep), nodep);
}
}
void visit(AstCountOnes* nodep) override {