Fix "Control reaches the end of non-void function" warnings, 
patch by David Chisnall.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48963 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/ExecutionEngine/ExecutionEngineBindings.cpp b/lib/ExecutionEngine/ExecutionEngineBindings.cpp
index 4dc0add..4521d9b 100644
--- a/lib/ExecutionEngine/ExecutionEngineBindings.cpp
+++ b/lib/ExecutionEngine/ExecutionEngineBindings.cpp
@@ -78,6 +78,7 @@
     assert(0 && "LLVMGenericValueToFloat supports only float and double.");
     break;
   }
+  return 0; // Not reached
 }
 
 void LLVMDisposeGenericValue(LLVMGenericValueRef GenVal) {