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Fix crash caused by $display() optimization (#4165) (#4166)

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Tudor Timi 2023-05-03 23:04:18 +02:00 committed by GitHub
parent dc25be536c
commit d9b5680a45
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2 changed files with 2 additions and 1 deletions
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1
docs/CONTRIBUTORS
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@ -146,6 +146,7 @@ Todd Strader
Tomasz Gorochowik Tomasz Gorochowik
Topa Topino Topa Topino
Toru Niina Toru Niina
Tudor Timi
Tymoteusz Blazejczyk Tymoteusz Blazejczyk
Udi Finkelstein Udi Finkelstein
Unai Martinez-Corral Unai Martinez-Corral

2
src/V3Const.cpp
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@ -3064,7 +3064,7 @@ private:
&& nodep->displayType() == VDisplayType::DT_WRITE))) && nodep->displayType() == VDisplayType::DT_WRITE)))
return false; return false;
if ((prevp->filep() && !nodep->filep()) || (!prevp->filep() && nodep->filep()) if ((prevp->filep() && !nodep->filep()) || (!prevp->filep() && nodep->filep())
|| !prevp->filep()->sameTree(nodep->filep())) || (prevp->filep() && nodep->filep() && !prevp->filep()->sameTree(nodep->filep())))
return false; return false;
if (!prevp->fmtp() || prevp->fmtp()->nextp() || !nodep->fmtp() || nodep->fmtp()->nextp()) if (!prevp->fmtp() || prevp->fmtp()->nextp() || !nodep->fmtp() || nodep->fmtp()->nextp())
return false; return false;