do not warn about inconsistent throws for interface with 2 independent parent interfaces (IDEA-76337)

java/java-impl/src/com/intellij/codeInsight/daemon/impl/analysis/HighlightMethodUtil.java

@@ -251,6 +251,7 @@ public class HighlightMethodUtil {
         if (aClass.isInterface()) {
           final PsiClass superContainingClass = superMethod.getContainingClass();
           if (superContainingClass != null && !superContainingClass.isInterface()) continue;
+          if (superContainingClass != null && !aClass.isInheritor(superContainingClass, true)) continue;
         }
         PsiClassType exception = checkedExceptions.get(index);
         String message = JavaErrorMessages.message("overridden.method.does.not.throw",

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting/OverrideConflicts.java

@@ -90,3 +90,17 @@ interface InterfaceOverridesObject {
     Object clone() throws java.io.IOException;
 }
 
+////////////multiple interface inheritance///////
+class sqlExcept extends Exception {}
+class sqlInheritorException extends sqlExcept {}
+class timeoutEx extends Exception{}
+
+interface AMultiple {
+  void m() throws java.io.IOException, sqlInheritorException;
+}
+
+interface BMultiple {
+  void m() throws java.io.EOFException, sqlExcept, timeoutEx;
+}
+
+interface DMultiple extends AMultiple, BMultiple {}