8342934: TYPE_USE annotations printed with error causing "," in toString output

Reviewed-by: iris, vromero

Author: jddarcy

src/jdk.compiler/share/classes/com/sun/tools/javac/code/Type.java

@@ -500,7 +500,7 @@ protected void appendAnnotationsString(StringBuilder sb,
             if (prefix) {
                 sb.append(" ");
             }
-            sb.append(getAnnotationMirrors());
+            sb.append(getAnnotationMirrors().toString(" "));
             sb.append(" ");
         }
     }

test/langtools/tools/javac/processing/model/type/AnnotatedTypeToString/AnnotatedTypeToString.java

@@ -23,7 +23,7 @@
 
 /*
  * @test
- * @bug 8284220
+ * @bug 8284220 8342934
  * @summary Tests DeclaredType.toString with type annotations present, for example that '@A
  * Map.Entry' is printed as 'java.util.@A Map.Entry' (and not '@A java.util.Map.Entry' or
  * 'java.util.@A Entry').

test/langtools/tools/javac/processing/model/type/AnnotatedTypeToString/Test.java

@@ -32,6 +32,10 @@
 @Target(ElementType.TYPE_USE)
 @interface A {}
 
+@Retention(RetentionPolicy.RUNTIME)
+@Target(ElementType.TYPE_USE)
+@interface B {}
+
 public class Test {
     static class StaticNested {
         static class InnerMostStaticNested {}
@@ -41,8 +45,8 @@ class Inner {
         class InnerMost {}
     }
 
-    @ExpectedToString("[email protected] StaticNested")
-    @A StaticNested i;
+    @ExpectedToString("[email protected] @p.B StaticNested")
+    @A @B StaticNested i;
 
     @ExpectedToString("[email protected] InnerMostStaticNested")
     StaticNested.@A InnerMostStaticNested j;