private void makeLocalNamesUnique(Node fnNode, boolean isCallInLoop) {
Supplier<String> idSupplier = compiler.getUniqueNameIdSupplier();
// Make variable names unique to this instance.
NodeTraversal.traverse(
compiler, fnNode, new MakeDeclaredNamesUnique(
new InlineRenamer(
idSupplier,
"inline_",
isCallInLoop)));
// Make label names unique to this instance.
new RenameLabels(compiler, new LabelNameSupplier(idSupplier), false)