================
@@ -454,6 +462,17 @@ void FactsGenerator::handleLifetimeEnds(const
CFGLifetimeEnds &LifetimeEnds) {
BL->getID(), LifetimeEnds.getTriggerStmt()->getEndLoc()));
}
}
+ // In loops, the back-edge can make a dead origin appear live at its
+ // pointee's ExpireFact. Expiring the origin here prevents that.
+ if (OriginList *List = getOriginsList(*LifetimeEndsVD)) {
+ for (OriginList *L = List; L; L = L->peelOuterOrigin()) {
----------------
Xazax-hun wrote:
I don't think we want o go through the whole origin list.
E.g., if I have a pointer `int ***p;` and the lifetime of `p` ends that does
not necessarily mean that the lifetime of the pointees would also end.
https://github.com/llvm/llvm-project/pull/182368
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