Sort classes by primary function name to produce stable result

WebAssembly · Jan 8, 2022 · 6453e48 · 6453e48
1 parent baf0333
commit 6453e48
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/passes/MergeFunctions.cpp b/src/passes/MergeFunctions.cpp
@@ -302,6 +302,10 @@ struct MergeFunctions : public Pass {
     Stats stats;
     std::vector<EquivalentClass> classes;
     collectEquivalentClasses(classes, module);
+    std::sort(
+      classes.begin(), classes.end(), [](const auto& left, const auto& right) {
+        return left.primaryFunction->name < right.primaryFunction->name;
+      });
     for (auto& clazz : classes) {
       if (!clazz.isEligibleToMerge()) {
         continue;