turn-on-emscripten-wasm-eh.patch

diff --git a/compiler/rustc_session/src/options.rs b/compiler/rustc_session/src/options.rs
index 3af6df63017..e79a28cab20 100644
--- a/compiler/rustc_session/src/options.rs
+++ b/compiler/rustc_session/src/options.rs
@@ -1818,7 +1818,7 @@ pub(crate) fn parse_align(slot: &mut Option<Align>, v: Option<&str>) -> bool {
         "emit a section containing stack size metadata (default: no)"),
     emit_thin_lto: bool = (true, parse_bool, [TRACKED],
         "emit the bc module with thin LTO info (default: yes)"),
-    emscripten_wasm_eh: bool = (false, parse_bool, [TRACKED],
+    emscripten_wasm_eh: bool = (true, parse_bool, [TRACKED],
         "Use WebAssembly error handling for wasm32-unknown-emscripten"),
     enforce_type_length_limit: bool = (false, parse_bool, [TRACKED],
         "enforce the type length limit when monomorphizing instances in codegen"),