[clang] [lld] [llvm] [WebAssembly] Define call-indirect-overlong and bulk-memory-opt features (PR #117087)

[Dan Gohman via cfe-commits]

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@@ -79,6 +81,8 @@ void WebAssemblyTargetInfo::getTargetDefines(const LangOptions &Opts,
     Builder.defineMacro("__wasm_atomics__");
   if (HasBulkMemory)
     Builder.defineMacro("__wasm_bulk_memory__");
+  if (HasBulkMemoryOpt)
+    Builder.defineMacro("__wasm_bulk_memory_opt__");
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sunfishcode wrote:

I couldn't think of a reason C/C++ code would need to know about call-indirect overlongs. I'm not opposed to adding it if we think there might be a reason though.

https://github.com/llvm/llvm-project/pull/117087