diff --git a/test/testsuppressions.cpp b/test/testsuppressions.cpp
index 4fa552679ec..d206f1f1b2a 100644
--- a/test/testsuppressions.cpp
+++ b/test/testsuppressions.cpp
@@ -967,6 +967,12 @@ class TestSuppressions : public TestFixture {
         SuppressionList suppressions6;
         ASSERT_EQUALS("", suppressions6.parseFile(file6));
         ASSERT_EQUALS(true, suppressions6.isSuppressed(errorMessage("abc", "test.cpp", 123)));
+
+        std::istringstream file7(" // comment\n" // #11450
+                                 "abc");
+        SuppressionList suppressions7;
+        ASSERT_EQUALS("", suppressions7.parseFile(file7));
+        ASSERT_EQUALS(true, suppressions7.isSuppressed(errorMessage("abc", "test.cpp", 123)));
     }
 
     void inlinesuppress() const {