Use pop_back_val() instead of both back() and pop_back().
No functionality change intended.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@189112 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/CFGReachabilityAnalysis.cpp b/lib/Analysis/CFGReachabilityAnalysis.cpp
index e77e72f..492e66f 100644
--- a/lib/Analysis/CFGReachabilityAnalysis.cpp
+++ b/lib/Analysis/CFGReachabilityAnalysis.cpp
@@ -50,11 +50,10 @@
// multiple queries relating to a destination node.
worklist.push_back(Dst);
bool firstRun = true;
-
- while (!worklist.empty()) {
- const CFGBlock *block = worklist.back();
- worklist.pop_back();
-
+
+ while (!worklist.empty()) {
+ const CFGBlock *block = worklist.pop_back_val();
+
if (visited[block->getBlockID()])
continue;
visited[block->getBlockID()] = true;