inline variable: captured wildcard != wildcard so isAssignable should be used in order to avoid redundant class casts (IDEA-27243); though isAssignable can't replace equals as for primitive types cast can change expr semantics, e.g. (float)intVar1/intVar2

java/java-tests/testData/refactoring/inlineLocal/Wildcard.java

@@ -0,0 +1,11 @@
+import java.util.*;
+class Test {
+  void foo() {
+    final Collection<? extends Number> extensions = getExtensions();
+    for (Number extension : exte<caret>nsions) {
+    }
+  }
+
+  Collection<? extends Number> getExtensions() {return null;}
+}
+