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/Sema/Sema.cpp b/lib/Sema/Sema.cpp
index 6cc596c..a3b1bfa 100644
--- a/lib/Sema/Sema.cpp
+++ b/lib/Sema/Sema.cpp
@@ -630,8 +630,7 @@
       SmallVector<Module *, 2> Stack;
       Stack.push_back(CurrentModule);
       while (!Stack.empty()) {
-        Module *Mod = Stack.back();
-        Stack.pop_back();
+        Module *Mod = Stack.pop_back_val();
 
         // Resolve the exported declarations and conflicts.
         // FIXME: Actually complain, once we figure out how to teach the