Synthetic extensions wins against top-level extension.

idea/testData/intentions/usePropertyAccessSyntax/conflict2.kt

@@ -1,5 +1,5 @@
 // WITH_RUNTIME
-// IS_APPLICABLE: false
+// IS_APPLICABLE: true
 import java.io.File
 
 val File.absolutePath: String get() = ""

idea/testData/intentions/usePropertyAccessSyntax/conflict2.kt.after

@@ -0,0 +1,9 @@
+// WITH_RUNTIME
+// IS_APPLICABLE: true
+import java.io.File
+
+val File.absolutePath: String get() = ""
+
+fun foo(file: File) {
+    file.absolutePath
+}