JVM IR: Minor fix for nullable SAM wrappers

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/SingleAbstractMethodLowering.kt

@@ -92,7 +92,7 @@ class SingleAbstractMethodLowering(val context: CommonBackendContext) : FileLowe
                     val instance = irCall(implementation.constructors.single()).apply {
                         putValueArgument(0, irGet(invokableVariable))
                     }
-                    irIfNull(superType, irGet(invokableVariable), irNull(), instance)
+                    +irIfNull(superType, irGet(invokableVariable), irNull(), instance)
                 }
             } else {
                 irCall(implementation.constructors.single()).apply { putValueArgument(0, invokable) }

compiler/testData/codegen/bytecodeText/sam/samWrapperForNullableInitialization.kt

@@ -1,4 +1,3 @@
-// IGNORE_BACKEND: JVM_IR
 // FILE: JFoo.java
 
 import org.jetbrains.annotations.Nullable;
@@ -17,8 +16,16 @@ fun test() {
     JFoo.foo2({}, runnable())
 }
 
-// @TestKt.class:
 // 2 NEW
+
+// JVM_TEMPLATES
+// @TestKt.class:
 // 0 IFNONNULL
 // 1 IFNULL
 // 1 ACONST_NULL
+
+// JVM_IR_TEMPLATES
+// @TestKt.class
+// 1 IFNONNULL
+// 0 IFNULL
+// 2 ACONST_NULL