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

[Heejin Ahn via cfe-commits]

================
@@ -310,6 +332,18 @@ bool WebAssemblyTargetInfo::handleTargetFeatures(
         << Feature << "-target-feature";
     return false;
   }
+
+  // The reference-types feature included the change to `call_indirect`
+  // encodings to support overlong immediates.
+  if (HasReferenceTypes) {
+    HasCallIndirectOverlong = true;
+  }
+
+  // bulk-memory-opt is a subset of bulk-memory.
+  if (HasBulkMemory) {
+    HasBulkMemoryOpt = true;
+  }
----------------
aheejin wrote:

```suggestion
  // bulk-memory-opt is a subset of bulk-memory.
  if (HasBulkMemory) {
    HasBulkMemoryOpt = true;
  }
  
  // The reference-types feature included the change to `call_indirect`
  // encodings to support overlong immediates.
  if (HasReferenceTypes) {
    HasCallIndirectOverlong = true;
  }
```
Nit: Sorted order 😅

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