change signature: move declarations out of try/catch block (IDEA-169213)

java/java-tests/testData/refactoring/changeSignature/LessSpecificException.java

@@ -0,0 +1,8 @@
+class Test {
+    int <caret>foo() throws IllegalArgumentException { return 1;}
+
+    void fooBar() throws IllegalArgumentException{
+        int a = foo();
+        System.out.println(a);
+    }
+}

java/java-tests/testData/refactoring/changeSignature/LessSpecificException_after.java

@@ -0,0 +1,13 @@
+class Test {
+    int foo() throws Exception { return 1;}
+
+    void fooBar() throws IllegalArgumentException{
+        int a = 0;
+        try {
+            a = foo();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        System.out.println(a);
+    }
+}

java/java-tests/testSrc/com/intellij/refactoring/ChangeSignatureTest.java

@@ -328,6 +328,15 @@ public class ChangeSignatureTest extends ChangeSignatureBaseTest {
     );
   }
 
+  public void testLessSpecificException() {
+    doTest(null, null, null, new SimpleParameterGen(new ParameterInfoImpl[0]),
+           method -> new ThrownExceptionInfo[]{
+             new JavaThrownExceptionInfo(0, myFactory.createTypeByFQClassName("java.lang.Exception", method.getResolveScope()))
+           },
+           false
+    );
+  }
+
   public void testReorderWithVarargs() {  // IDEADEV-26977
     doTest(null, new ParameterInfoImpl[]{
       new ParameterInfoImpl(1),