Do not discriminate synthesized candidates.

#KT-9965 Fixed

compiler/testData/diagnostics/testsWithStdLib/resolve/samConstructorVsFun.kt

@@ -0,0 +1,30 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER -UNUSED_VARIABLE
+// FILE: s/SamConstructor.java
+package s;
+
+public class SamConstructor {
+    public SamConstructor(Runnable r) {
+    }
+
+    public static void foo(Runnable r) {}
+}
+
+// FILE: 1.kt
+package a
+
+fun SamConstructor(a: () -> Unit) {}
+
+// FILE: 2.kt
+
+package b
+
+import s.SamConstructor
+import a.*
+
+fun test() {
+    val a: s.SamConstructor = SamConstructor {  }
+
+    val b: s.SamConstructor = SamConstructor(null)
+
+    SamConstructor.foo(null)
+}