Merge pull request #80952 from gottesmm/pr-fed954ec5197ef80d86a4c4e9c9ca2de9ad8687a

gottesmm · web-flow · commit e9253b749ff7 · 2025-04-21T15:06:25.000-07:00
[silgen] Fix a small typo bug I found on inspection.
diff --git a/lib/SILGen/ResultPlan.cpp b/lib/SILGen/ResultPlan.cpp
@@ -81,7 +81,7 @@ class IndirectOpenedSelfCleanup final : public Cleanup {
     assert(box && "buffer never emitted before activating cleanup?!");
     auto theBox = box;
     if (SGF.getASTContext().SILOpts.supportsLexicalLifetimes(SGF.getModule())) {
-      if (auto *bbi = cast<BeginBorrowInst>(theBox)) {
+      if (auto *bbi = dyn_cast<BeginBorrowInst>(theBox)) {
         SGF.B.createEndBorrow(loc, bbi);
         theBox = bbi->getOperand();
       }

Original file line number	Diff line number	Diff line change
`@@ -81,7 +81,7 @@ class IndirectOpenedSelfCleanup final : public Cleanup {`
`81`	`81`	`assert(box && "buffer never emitted before activating cleanup?!");`
`82`	`82`	`auto theBox = box;`
`83`	`83`	`if (SGF.getASTContext().SILOpts.supportsLexicalLifetimes(SGF.getModule())) {`
`84`		`- if (auto *bbi = cast<BeginBorrowInst>(theBox)) {`
	`84`	`+ if (auto *bbi = dyn_cast<BeginBorrowInst>(theBox)) {`
`85`	`85`	`SGF.B.createEndBorrow(loc, bbi);`
`86`	`86`	`theBox = bbi->getOperand();`
`87`	`87`	`}`