decode: don't qualify 'ambiguous' reference if qualifier is available through inheritance (IDEA-142703)

java/java-tests/testData/refactoring/moveClass/qualifiedRef/after/p1/StaticMethod.java

@@ -0,0 +1,4 @@
+package p1;
+public class StaticMethod {
+    public static int bar() {return 1;}
+}

java/java-tests/testData/refactoring/moveClass/qualifiedRef/after/p2/Test.java

@@ -0,0 +1,12 @@
+package p2;
+import p1.StaticMethod;
+
+import java.math.BigDecimal;
+public class Test extends BigDecimal {
+    Test() {super(0);}
+    void test() {
+        valueOf(0);
+        valueOf(StaticMethod.bar());
+        valueOf(StaticMethod.bar());
+    }
+}

java/java-tests/testData/refactoring/moveClass/qualifiedRef/before/p1/StaticMethod.java

@@ -0,0 +1,4 @@
+package p1;
+public class StaticMethod {
+    public static int bar() {return 1;}
+}

java/java-tests/testData/refactoring/moveClass/qualifiedRef/before/p1/Test.java

@@ -0,0 +1,10 @@
+package p1;
+import java.math.BigDecimal;
+public class Test extends BigDecimal {
+    Test() {super(0);}
+    void test() {
+        valueOf(0);
+        valueOf(StaticMethod.bar());
+        valueOf(StaticMethod.bar());
+    }
+}