Strengthen workaround for inlining into initializers

Change-Id: I2f5b6e94ece66ed8bbf3a2649ba1de8b28e2704c
diff --git a/src/main/java/com/android/tools/r8/ir/optimize/DefaultInliningOracle.java b/src/main/java/com/android/tools/r8/ir/optimize/DefaultInliningOracle.java
index d9e8efe..2ca0f00 100644
--- a/src/main/java/com/android/tools/r8/ir/optimize/DefaultInliningOracle.java
+++ b/src/main/java/com/android/tools/r8/ir/optimize/DefaultInliningOracle.java
@@ -184,7 +184,7 @@
 
     // We don't inline into constructors when producing class files since this can mess up
     // the stackmap, see b/136250031
-    if (method.isInitializer()
+    if (method.isInstanceInitializer()
         && appView.options().isGeneratingClassFiles()
         && reason != Reason.FORCE) {
       return false;