diff --git a/src/corelib/global/qassert.h b/src/corelib/global/qassert.h
index 388932a8f7f..6c04cd8a926 100644
--- a/src/corelib/global/qassert.h
+++ b/src/corelib/global/qassert.h
@@ -47,6 +47,16 @@ void qt_assert_x(const char *where, const char *what, const char *file, int line
 #  endif
 #endif
 
+#ifndef Q_PRE
+# define Q_PRE(cond) \
+    Q_ASSERT(cond) /* for now... */
+#endif
+
+#ifndef Q_PRE_X
+# define Q_PRE_X(cond, what) \
+    Q_ASSERT_X(cond, Q_FUNC_INFO, what) /* for now... */
+#endif
+
 Q_NORETURN Q_CORE_EXPORT void qt_check_pointer(const char *, int) noexcept;
 Q_NORETURN Q_DECL_COLD_FUNCTION
 Q_CORE_EXPORT void qBadAlloc();
diff --git a/src/corelib/text/qstringview.h b/src/corelib/text/qstringview.h
index 454dd1fdad9..0051d9211e7 100644
--- a/src/corelib/text/qstringview.h
+++ b/src/corelib/text/qstringview.h
@@ -130,9 +130,9 @@ public:
     constexpr QStringView(const Char *str, qsizetype len)
 #if QT_VERSION >= QT_VERSION_CHECK(7, 0, 0) || defined(QT_BOOTSTRAPPED)
         : m_data(castHelper(str)),
-          m_size((Q_ASSERT(len >= 0), Q_ASSERT(str || !len), len))
+          m_size((Q_PRE(len >= 0), Q_PRE(str || !len), len))
 #else
-        : m_size((Q_ASSERT(len >= 0), Q_ASSERT(str || !len), len)),
+        : m_size((Q_PRE(len >= 0), Q_PRE(str || !len), len)),
           m_data(castHelper(str))
 #endif
     {}
@@ -404,8 +404,8 @@ public:
     [[nodiscard]] const_reverse_iterator crend()   const noexcept { return rend(); }
 
     [[nodiscard]] constexpr bool empty() const noexcept { return size() == 0; }
-    [[nodiscard]] constexpr QChar front() const { return Q_ASSERT(!empty()), QChar(m_data[0]); }
-    [[nodiscard]] constexpr QChar back()  const { return Q_ASSERT(!empty()), QChar(m_data[m_size - 1]); }
+    [[nodiscard]] constexpr QChar front() const { return Q_PRE(!empty()), QChar(m_data[0]); }
+    [[nodiscard]] constexpr QChar back()  const { return Q_PRE(!empty()), QChar(m_data[m_size - 1]); }
 
     [[nodiscard]] Q_IMPLICIT operator std::u16string_view() const noexcept
     { return std::u16string_view(m_data, size_t(m_size)); }
@@ -441,10 +441,10 @@ private:
     Q_ALWAYS_INLINE constexpr void verify([[maybe_unused]] qsizetype pos = 0,
                                           [[maybe_unused]] qsizetype n = 1) const
     {
-        Q_ASSERT(pos >= 0);
-        Q_ASSERT(pos <= size());
-        Q_ASSERT(n >= 0);
-        Q_ASSERT(n <= size() - pos);
+        Q_PRE(pos >= 0);
+        Q_PRE(pos <= size());
+        Q_PRE(n >= 0);
+        Q_PRE(n <= size() - pos);
     }
 
     constexpr int compare_single_char_helper(int diff) const noexcept