Enable non-MVP features for wasm-opt

Fixes drager#886

Author: Urhengulas

src/manifest/mod.rs

@@ -379,7 +379,9 @@ impl CargoWasmPackProfile {
     pub fn wasm_opt_args(&self) -> Option<Vec<String>> {
         match self.wasm_opt.as_ref()? {
             CargoWasmPackProfileWasmOpt::Enabled(false) => None,
-            CargoWasmPackProfileWasmOpt::Enabled(true) => Some(vec!["-O".to_string()]),
+            CargoWasmPackProfileWasmOpt::Enabled(true) => {
+                Some(vec!["-O".to_string(), "-all".to_string()])
+            }
             CargoWasmPackProfileWasmOpt::ExplicitArgs(s) => Some(s.clone()),
         }
     }