Fix crash on invalid.

if { foo; }
would previously crash clang-format.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@172232 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 71fa83c..6beee31 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -1108,6 +1108,10 @@
                "}");
 }
 
+TEST_F(FormatTest, IncorrectIf) {
+  verifyFormat("if {\n  foo;\n  foo();\n}");
+}
+
 TEST_F(FormatTest, DoesNotTouchUnwrappedLinesWithErrors) {
   verifyFormat("namespace {\n"
                "class Foo {  Foo  ( }; }  // comment");