clang-format: Fix incorrect &/* detection.

Before:
  STATIC_ASSERT((a &b) == 0);

After:
  STATIC_ASSERT((a & b) == 0);

llvm-svn: 204709
diff --git a/clang/unittests/Format/FormatTest.cpp b/clang/unittests/Format/FormatTest.cpp
index 0ae08bc..3da478c 100644
--- a/clang/unittests/Format/FormatTest.cpp
+++ b/clang/unittests/Format/FormatTest.cpp
@@ -4527,6 +4527,8 @@
   FormatStyle PointerLeft = getLLVMStyle();
   PointerLeft.PointerBindsToType = true;
   verifyFormat("delete *x;", PointerLeft);
+  verifyFormat("STATIC_ASSERT((a & b) == 0);");
+  verifyFormat("STATIC_ASSERT(0 == (a & b));");
 }
 
 TEST_F(FormatTest, UnderstandsAttributes) {