[llvm] [BOLT] Allow pass-through blocks in YAMLProfileReader (PR #91828)

[Alexander Yermolovich via llvm-commits]

================
@@ -218,17 +218,29 @@ bool YAMLProfileReader::parseFunctionProfile(
         continue;
       }
 
-      BinaryBasicBlock &SuccessorBB = *Order[YamlSI.Index];
-      if (!BB.getSuccessor(SuccessorBB.getLabel())) {
-        if (opts::Verbosity >= 1)
-          errs() << "BOLT-WARNING: no successor for block " << BB.getName()
-                 << " that matches index " << YamlSI.Index << " or block "
-                 << SuccessorBB.getName() << '\n';
-        ++MismatchedEdges;
-        continue;
+      BinaryBasicBlock *ToBB = Order[YamlSI.Index];
----------------
ayermolo wrote:

Cast directly to reference?

https://github.com/llvm/llvm-project/pull/91828