[clang] [lld] [llvm] [LLVM][WebAssembly] Implement branch hinting proposal (PR #146230)

[Alexis Engelke via llvm-commits]

================
@@ -18,6 +18,11 @@
 namespace llvm {
 class WebAssemblyTargetStreamer;
 
+struct BranchHintRecord {
+  MCSymbol *func_sym;
+  SmallVector<std::pair<MCSymbol *, uint8_t>, 0> hints;
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aengelke wrote:

```suggestion
  SmallVector<std::pair<MCSymbol *, uint8_t>, 0> Hints;
```

https://github.com/llvm/llvm-project/pull/146230