clang-format: [Java] Don't get confused by leading annotations.

Before:
  @Test(a)
  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa = aaaaaaaaaaaaaaaaaaaaaaaaaaaa(
      aaaaaaaaaaaaaaaaaaaaaaa);

After:
  @Test(a)
  aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =
      aaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaa);

llvm-svn: 225962

clang/lib/Format/TokenAnnotator.cpp

@@ -458,7 +458,8 @@ private:
         return false;
       if (Line.MustBeDeclaration && Contexts.size() == 1 &&
           !Contexts.back().IsExpression && Line.First->isNot(TT_ObjCProperty) &&
-          (!Tok->Previous || Tok->Previous->isNot(tok::kw_decltype)))
+          (!Tok->Previous ||
+           !Tok->Previous->isOneOf(tok::kw_decltype, TT_LeadingJavaAnnotation)))
         Line.MightBeFunctionDecl = true;
       break;
     case tok::l_square:

clang/unittests/Format/FormatTestJava.cpp

@@ -276,6 +276,9 @@ TEST_F(FormatTestJava, Annotations) {
                "DataLoader loooooooooooooooooooooooader =\n"
                "    aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa;",
                getStyleWithColumns(60));
+  verifyFormat("@Test(a)\n"
+               "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa =\n"
+               "    aaaaaaaaaaaaaaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaaaaaaaaaa);");
 }
 
 TEST_F(FormatTestJava, Generics) {