diff --git a/llvm/unittests/Support/GlobPatternTest.cpp b/llvm/unittests/Support/GlobPatternTest.cpp
index 1bf5eae54a627d..81d358e0c47aa4 100644
--- a/llvm/unittests/Support/GlobPatternTest.cpp
+++ b/llvm/unittests/Support/GlobPatternTest.cpp
@@ -118,6 +118,11 @@ TEST_F(GlobPatternTest, SpecialCharsInCharacterClass) {
   EXPECT_TRUE(Pat1->match("^"));
   EXPECT_FALSE(Pat1->match("*?^"));
   EXPECT_FALSE(Pat1->match(""));
+
+  Expected<GlobPattern> Pat2 = GlobPattern::create("[*]");
+  ASSERT_TRUE((bool)Pat2);
+  EXPECT_TRUE(Pat2->match("*"));
+  EXPECT_FALSE(Pat2->match("]"));
 }
 
 TEST_F(GlobPatternTest, Invalid) {