[llvm] [WebAssembly] Add -wasm-enable-exnref option (PR #93597)

[Heejin Ahn via llvm-commits]

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@@ -401,6 +402,9 @@ static void basicCheckForEHAndSjLj(TargetMachine *TM) {
   if (WasmEnableEmEH && WasmEnableSjLj)
     report_fatal_error(
         "-enable-emscripten-cxx-exceptions not allowed with -wasm-enable-sjlj");
+  if (WasmEnableExnref && !WasmEnableEH)
+    report_fatal_error(
+        "-wasm-enable-exnref should be used with -wasm-enable-eh");
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aheejin wrote:

Done

https://github.com/llvm/llvm-project/pull/93597