Fix an Inlining bug with a name collision in a br nested in a call param (#5323)

1 files changed, 6 insertions, 0 deletions

diff --git a/src/ir/branch-utils.h b/src/ir/branch-utils.h
index d433a421e..3527f1b36 100644
--- a/src/ir/branch-utils.h
+++ b/src/ir/branch-utils.h
@@ -327,6 +327,12 @@ struct BranchAccumulator
     auto selfBranches = getUniqueTargets(curr);
     branches.insert(selfBranches.begin(), selfBranches.end());
   }
+
+  static NameSet get(Expression* tree) {
+    BranchAccumulator accumulator;
+    accumulator.walk(tree);
+    return accumulator.branches;
+  }
 };
 
 // A helper structure for the common case of post-walking some IR while querying