[java] fixes NPE in type parser (EA-104664)

java/java-psi-impl/src/com/intellij/lang/java/parser/ReferenceParser.java

@@ -133,6 +133,7 @@ public class ReferenceParser {
       type.drop();
       if (anno != null && isSet(flags, INCOMPLETE_ANNO)) {
         error(builder, JavaErrorMessages.message("expected.type"));
+        typeInfo.marker = anno;
         typeInfo.hasErrors = true;
         return typeInfo;
       }

java/java-tests/testData/psi/parser-partial/expressions/CorruptAnnoInCast.txt

@@ -0,0 +1,8 @@
+PsiJavaFile:CorruptAnnoInCast.java
+  PsiParenthesizedExpression:(
+    PsiJavaToken:LPARENTH('(')
+    PsiErrorElement:Expression expected
+      <empty list>
+  PsiErrorElement:Unparsed tokens
+    PsiJavaToken:AT('@')
+    PsiJavaToken:AND('&')

java/java-tests/testSrc/com/intellij/java/parser/partial/ExpressionParserTest.java

@@ -105,6 +105,7 @@ public class ExpressionParserTest extends JavaParsingTestCase {
 
   public void testIncompleteCast() { doParserTest("f((ArrayList<String>) )"); }
   public void testShiftRight() { doParserTest("x >>= 2"); }
+  public void testCorruptAnnoInCast() { doParserTest("(@&"); }
 
   public void testIllegalWildcard() { doParserTest("this.<?>foo()"); }
   public void testIllegalBound() { doParserTest("C.<T extends S>foo()"); }