Convert assert(0) to llvm_unreachable

llvm-svn: 149967
diff --git a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
index b9356dc..2890174 100644
--- a/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
+++ b/llvm/lib/ExecutionEngine/ExecutionEngine.cpp
@@ -1149,6 +1149,6 @@
 void ExecutionEngineState::AddressMapConfig::onRAUW(ExecutionEngineState *,
                                                     const GlobalValue *,
                                                     const GlobalValue *) {
-  assert(false && "The ExecutionEngine doesn't know how to handle a"
-         " RAUW on a value it has a global mapping for.");
+  llvm_unreachable("The ExecutionEngine doesn't know how to handle a"
+                   " RAUW on a value it has a global mapping for.");
 }