[NFC] OSSACanOwned: Extracted predicate.

Author: nate-chandler

include/swift/SILOptimizer/Utils/CanonicalizeOSSALifetime.h

@@ -465,6 +465,10 @@ class CanonicalizeOSSALifetime final {
   UserRange getUsers() const { return liveness->getAllUsers(); }
 
 private:
+  bool endingLifetimeAtExplicitEnds() const {
+    return explicitLifetimeEnds.size() > 0;
+  }
+
   bool respectsDeinitBarriers() const {
     if (!currentDef->isLexical())
       return false;

lib/SILOptimizer/Utils/CanonicalizeOSSALifetime.cpp

@@ -387,7 +387,7 @@ void CanonicalizeOSSALifetime::extendLivenessToDeadEnds() {
 
 void CanonicalizeOSSALifetime::extendLivenessToDeinitBarriers() {
   SmallVector<SILInstruction *, 8> ends;
-  if (explicitLifetimeEnds.size() > 0) {
+  if (endingLifetimeAtExplicitEnds()) {
     visitExtendedUnconsumedBoundary(
         explicitLifetimeEnds,
         [&ends](auto *instruction, auto lifetimeEnding) {