redundant cast: process branches of conditional expressions with respect to expected type for functional expressions (IDEA-156480)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/redundantCast/CastInConditionalBranch.java

@@ -0,0 +1,11 @@
+import java.util.function.Supplier;
+
+class Test {
+  {
+    Object o = true ? ((Supplier<String>) () -> "") : null;
+    Supplier<String> s1 = true ? ((<warning descr="Casting '() -> \"\"' to 'Supplier<String>' is redundant">Supplier<String></warning>) () -> "") : null;
+    Supplier<String> s2 = true ? ((A) () -> "") : null;
+  }
+
+  interface A extends Supplier<String> {}
+}