new inference: initial tests

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/IDEA57410.java

@@ -0,0 +1,10 @@
+
+interface IA {
+    <T> void a(Iterable<String> x);
+}
+
+interface IB {
+    <T> void a(Iterable x);
+}
+
+<error descr="'a(Iterable)' in 'IB' clashes with 'a(Iterable<String>)' in 'IA'; both methods have same erasure, yet neither overrides the other">abstract class C implements IA, IB</error> {}