---

yaml
---
r: 348523
b: refs/heads/master
c: ae42c40
h: refs/heads/master
i:
  348521: bf6f743
  348519: 39329b0

Author: swift-ci

[refs]

@@ -1,5 +1,5 @@
 ---
-refs/heads/master: 5aeb95af947ad8f696526cb26b319cb01daf0312
+refs/heads/master: ae42c401a5e2484efbfa39c995ea03824abb1356
 refs/heads/master-next: 203b3026584ecad859eb328b2e12490099409cd5
 refs/tags/osx-passed: b6b74147ef8a386f532cf9357a1bde006e552c54
 refs/tags/swift-2.2-SNAPSHOT-2015-12-01-a: 6bb18e013c2284f2b45f5f84f2df2887dc0f7dea

trunk/lib/SILOptimizer/Mandatory/SemanticARCOpts.cpp

@@ -751,8 +751,9 @@ bool SemanticARCOptVisitor::visitLoadInst(LoadInst *li) {
   if (!isDeadLiveRange(li, destroyValues))
     return false;
 
-  // Then check if our address is ever written to. If it is, then we
-  // can not use the load_borrow.
+  // Then check if our address is ever written to. If it is, then we cannot use
+  // the load_borrow because the stored value may be released during the loaded
+  // value's live range.
   if (isWrittenTo(li))
     return false;