diff --git a/llvm/unittests/Support/FileCheckTest.cpp b/llvm/unittests/Support/FileCheckTest.cpp
index 92975dc..a4591bc 100644
--- a/llvm/unittests/Support/FileCheckTest.cpp
+++ b/llvm/unittests/Support/FileCheckTest.cpp
@@ -714,6 +714,7 @@
   Value = Binop.eval();
   expectUndefErrors({"FOO", "BAR"}, Value.takeError());
 
+  {
   // Literal + Variable has format of variable.
   ExprStr = bufferize(SM, "FOO+18");
   FooStr = ExprStr.take_front(3);
@@ -736,6 +737,7 @@
   ImplicitFormat = Binop.getImplicitFormat(SM);
   ASSERT_THAT_EXPECTED(ImplicitFormat, Succeeded());
   EXPECT_EQ(*ImplicitFormat, ExpressionFormat::Kind::Unsigned);
+  }
 
   // Variables with different implicit format conflict.
   ExprStr = bufferize(SM, "FOO+BAZ");