Fix fuzz issue with ElementSegment name collisions (#3674)

Now that they have names they can collide. All the fuzzer wants is
to ensure there is a segment to add to, so if there is one, do not
add another.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/ir/names.h b/src/ir/names.h
index 6fbb987f5..94efd91d4 100644
--- a/src/ir/names.h
+++ b/src/ir/names.h
@@ -84,6 +84,11 @@ inline Name getValidEventName(Module& module, Name root) {
   return getValidName(
     module, root, [&](Name test) { return !module.getEventOrNull(test); });
 }
+inline Name getValidElementSegmentName(Module& module, Name root) {
+  return getValidName(module, root, [&](Name test) {
+    return !module.getElementSegmentOrNull(test);
+  });
+}
 
 } // namespace Names