From f78232dcbf734a1c7e42ae60b58c9bbe14b64516 Mon Sep 17 00:00:00 2001
From: Erich Keane <erich.keane@intel.com>
Date: Tue, 17 Oct 2017 17:45:21 +0000
Subject: Replace use of SmallVector::back + pop_back with pop_back_val

I ran across an instance where the value was being loaded
out via back, then immediately popped.  Since pop_back_val
is more efficient at this (it moves out), replace this
instance.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@316015 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Sema/AnalysisBasedWarnings.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'lib/Sema/AnalysisBasedWarnings.cpp')

diff --git a/lib/Sema/AnalysisBasedWarnings.cpp b/lib/Sema/AnalysisBasedWarnings.cpp
index 08fc0802c6..bdfed6ead1 100644
--- a/lib/Sema/AnalysisBasedWarnings.cpp
+++ b/lib/Sema/AnalysisBasedWarnings.cpp
@@ -361,8 +361,7 @@ static bool hasThrowOutNonThrowingFunc(SourceLocation &OpLoc, CFG *BodyCFG) {
   SmallVector<CFGBlock *, 16> Stack;
   Stack.push_back(&BodyCFG->getEntry());
   while (!Stack.empty()) {
-    CFGBlock *CurBlock = Stack.back();
-    Stack.pop_back();
+    CFGBlock *CurBlock = Stack.pop_back_val();
 
     unsigned ID = CurBlock->getBlockID();
     ThrowState CurState = States[ID];
-- 
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