diamonds: copy throws list to static constructors to ensure correct unhandled exceptions, etc

java/java-psi-impl/src/com/intellij/psi/PsiDiamondTypeImpl.java

@@ -398,6 +398,7 @@ public class PsiDiamondTypeImpl extends PsiDiamondType {
           return psiParameter.getType().getCanonicalText() + " p" + myIdx++;
         }
       }, ",")).append(")");
+      buf.append(constructor.getThrowsList().getText());
     }
     buf.append("{}");
 

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/diamond/ExceptionsThrownFromConstructorShouldBePreserved.java

@@ -0,0 +1,13 @@
+import java.io.IOException;
+
+class MyTest<T> {
+  public MyTest() throws IOException {}
+
+  void m() {
+    MyTest<String> test = <error descr="Unhandled exception: java.io.IOException">new MyTest<>()</error>;
+  }
+
+  {
+    MyTest<String> test = new MyTest<>();
+  }
+}

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/Diamond8HighlightingTest.java

@@ -89,6 +89,10 @@ public class Diamond8HighlightingTest extends LightDaemonAnalyzerTestCase {
     doTest();
   }
 
+  public void testExceptionsThrownFromConstructorShouldBePreserved() throws Exception {
+    doTest();
+  }
+
   public void testDiamondInsideOverloadedThisReference() throws Exception {
     doTest();
   }