--- a/qtbase/src/corelib/global/qnumeric_p.h	2019-08-31 03:29:31.000000000 -0500
+++ b/qtbase/src/corelib/global/qnumeric_p.h	2020-01-06 14:23:40.719851927 -0600
@@ -231,7 +231,7 @@
 // size_t. Implementations for 8- and 16-bit types will work but may not be as
 // efficient. Implementations for 64-bit may be missing on 32-bit platforms.
 
-#if (defined(Q_CC_GNU) && (Q_CC_GNU >= 500) || (defined(Q_CC_INTEL) && !defined(Q_OS_WIN))) || QT_HAS_BUILTIN(__builtin_add_overflow)
+#if (defined(Q_CC_GNU) && (Q_CC_GNU >= 500) && !defined(Q_CC_INTEL) || (defined(Q_CC_INTEL) && (Q_CC_INTEL >= 1800) && (Q_CC_GNU >= 500) && !defined(Q_OS_WIN))) || QT_HAS_BUILTIN(__builtin_add_overflow)
 // GCC 5, ICC 18, and Clang 3.8 have builtins to detect overflows
 
 template <typename T> inline