JVM IR: Don't generate line numbers and null checks in SAM wrapper constructors

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

@@ -0,0 +1,24 @@
+// FILE: J.java
+
+public class J {
+    public static void g(Runnable r) {
+        r.run();
+    }
+}
+
+// FILE: test.kt
+
+fun nonInlineFun() {
+    val f = {}
+    J.g(f)
+}
+
+inline fun inlineFun() {
+    val f = {}
+    J.g(f)
+}
+
+// The SAM wrapper constructor is public inside of inline functions.
+// It has no other flags. In particular, it is not synthetic.
+// 1 access flags 0x0\n\s*<init>\(Lkotlin/jvm/functions/Function0;\)V
+// 1 access flags 0x1\n\s*public <init>\(Lkotlin/jvm/functions/Function0;\)V