Fix MSVC "not all control paths return a value" warning. NFCI.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@344892 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/StaticAnalyzer/Core/CoreEngine.cpp b/lib/StaticAnalyzer/Core/CoreEngine.cpp
index 538d11c1c2037f7db9ad78538cc621acd9fc85b1..8351527cc87e9bffed4687b2657310596ebe443c 100644 (file)
--- a/lib/StaticAnalyzer/Core/CoreEngine.cpp
+++ b/lib/StaticAnalyzer/Core/CoreEngine.cpp
@@ -69,6 +69,7 @@ static std::unique_ptr<WorkList> generateWorkList(AnalyzerOptions &Opts,
     case AnalyzerOptions::ExplorationStrategyKind::UnexploredFirstLocationQueue:
       return WorkList::makeUnexploredFirstPriorityLocationQueue();
   }
+  llvm_unreachable("Unknown AnalyzerOptions::ExplorationStrategyKind");
 }
 
 CoreEngine::CoreEngine(SubEngine &subengine, FunctionSummariesTy *FS,