[clang] [WebAssembly] Add gc target feature to addBleedingEdgeFeatures (PR #151107)

[Sam Clegg via cfe-commits]

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@@ -197,6 +197,7 @@ bool WebAssemblyTargetInfo::initFeatureMap(
     Features["multimemory"] = true;
     Features["tail-call"] = true;
     Features["wide-arithmetic"] = true;
+    Features["gc"] = true;
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sbc100 wrote:

I would expect to see a corresponding test change, is there not test that needs updating?

https://github.com/llvm/llvm-project/pull/151107