Fix incorrect cast identification.

Before: int a = sizeof(int *)+ b;"
After:  int a = sizeof(int *) + b;

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@176957 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 17aeaca..4e54212 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -2044,6 +2044,8 @@
   verifyFormat("virtual void foo(int *) override;");
   verifyFormat("virtual void foo(char &) const;");
   verifyFormat("virtual void foo(int *a, char *) const;");
+  verifyFormat("int a = sizeof(int *) + b;");
+  verifyFormat("int a = alignof(int *) + b;");
 }
 
 TEST_F(FormatTest, FormatsFunctionTypes) {