See https://github.com/JuliaLang/julia/issues/11817

--- a/src/codegen.cpp	2015-06-24 12:44:31.218674066 +0200
+++ b/src/codegen.cpp	2015-04-23 11:19:50.000000000 +0200
@@ -4551,7 +4551,7 @@
 #ifdef V128_BUG
         "-avx",
 #endif
-    };
+    ""};
     SmallVector<std::string, 4> MAttrs(mattr, mattr+sizeof(mattr)/sizeof(mattr[0]));
     EngineBuilder eb = EngineBuilder(engine_module)
         .setEngineKind(EngineKind::JIT)
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