Fix getExitingBranches, which had |targets| instead of |curr->targets| (#1936)

That caused it to miss switch targets, and a code-folding bug.

Fixes #1838

Sadly the fuzzer didn't find this because code folding looks for very particular code patterns that are unlikely to be emitted randomly.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ir/branch-utils.h b/src/ir/branch-utils.h
index e8fd25119..b9448e590 100644
--- a/src/ir/branch-utils.h
+++ b/src/ir/branch-utils.h
@@ -95,7 +95,7 @@ inline std::set<Name> getExitingBranches(Expression* ast) {
       targets.insert(curr->name);
     }
     void visitSwitch(Switch* curr) {
-      for (auto target : targets) {
+      for (auto target : curr->targets) {
         targets.insert(target);
       }
       targets.insert(curr->default_);