clang-format: Fix regression introduced by r237565.

Before:
  class C : public D {
    SomeClass SC { 2 };
  };

After:
  class C : public D {
    SomeClass SC{2};
  };

llvm-svn: 237568

clang/lib/Format/UnwrappedLineParser.cpp

@@ -351,7 +351,8 @@ void UnwrappedLineParser::calculateBraceTypes(bool ExpectClassBody) {
                 NextTok->isOneOf(tok::comma, tok::period, tok::colon,
                                  tok::r_paren, tok::r_square, tok::l_brace,
                                  tok::l_paren, tok::ellipsis) ||
-                (NextTok->is(tok::semi) && !ExpectClassBody) ||
+                (NextTok->is(tok::semi) &&
+                 (!ExpectClassBody || LBraceStack.size() != 1)) ||
                 (NextTok->isBinaryOperator() && !NextIsObjCMethod);
           }
           if (ProbablyBracedList) {

clang/unittests/Format/FormatTest.cpp

@@ -6192,6 +6192,9 @@ TEST_F(FormatTest, LayoutCxx11BraceInitializers) {
                "        aaaa,\n"
                "    },\n"
                "};");
+  verifyFormat("class C : public D {\n"
+               "  SomeClass SC{2};\n"
+               "};");
 
   // In combination with BinPackParameters = false.
   FormatStyle NoBinPacking = getLLVMStyle();