report presence of AVX2 instruction set in --version

jsteemann · jsteemann · commit 64cbee76a51d · 2018-10-27T19:18:12.000+02:00
diff --git a/lib/Rest/Version.cpp b/lib/Rest/Version.cpp
@@ -177,6 +177,12 @@ void Version::initialize() {
   Values["sse42"] = "false";
 #endif
 
+#ifdef __AVX2__
+  Values["avx2"] = "true";
+#else
+  Values["avx2"] = "false";
+#endif
+
 #ifdef ARANGODB_ENABLE_MAINTAINER_MODE
   Values["maintainer-mode"] = "true";
 #else
