diff --git a/tests/auto/corelib/text/qbytearrayview/CMakeLists.txt b/tests/auto/corelib/text/qbytearrayview/CMakeLists.txt
index c78a81c7bd1..8922ae22677 100644
--- a/tests/auto/corelib/text/qbytearrayview/CMakeLists.txt
+++ b/tests/auto/corelib/text/qbytearrayview/CMakeLists.txt
@@ -15,3 +15,10 @@ qt_internal_add_test(tst_qbytearrayview
     SOURCES
         tst_qbytearrayview.cpp
 )
+
+if(QT_FEATURE_sanitize_undefined)
+    qt_internal_extend_target(tst_qbytearrayview
+        DEFINES
+            QT_SANITIZE_UNDEFINED # GCC (in)famously doesn't provide a predefined macro for this
+    )
+endif()
diff --git a/tests/auto/corelib/text/qbytearrayview/tst_qbytearrayview.cpp b/tests/auto/corelib/text/qbytearrayview/tst_qbytearrayview.cpp
index 00bde2a5469..5cfce32586e 100644
--- a/tests/auto/corelib/text/qbytearrayview/tst_qbytearrayview.cpp
+++ b/tests/auto/corelib/text/qbytearrayview/tst_qbytearrayview.cpp
@@ -262,10 +262,9 @@ void tst_QByteArrayView::constExpr() const
         static_assert(!bv2.empty());
         static_assert(bv2.size() == 5);
     }
-#if !defined(Q_CC_GNU) || defined(Q_CC_CLANG)
+#if !defined(Q_CC_GNU_ONLY) || !defined(QT_SANITIZE_UNDEFINED)
     // Below checks are disabled because of a compilation issue with GCC and
     // -fsanitize=undefined. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71962.
-    // Note: Q_CC_GNU is also defined for Clang, so we need to check that too.
     {
         static constexpr char hello[] = "Hello";
         constexpr QByteArrayView bv(hello);