diff -up wxWidgets-3.1.5/tests/allheaders.cpp.gcc11 wxWidgets-3.1.5/tests/allheaders.cpp

--- wxWidgets-3.1.5/tests/allheaders.cpp.gcc11	2021-04-28 19:26:22.953235862 -0400

+++ wxWidgets-3.1.5/tests/allheaders.cpp	2021-04-28 19:28:05.179956623 -0400

@@ -342,7 +342,7 @@

     // wxWARNING_SUPPRESS_MISSING_OVERRIDE() inside wxRTTI macros is just

     // ignored by gcc up to 9.x for some reason, so we have no choice but to

     // disable it.

-#if CHECK_GCC_VERSION(5,1) && !CHECK_GCC_VERSION(9,0)

+#if CHECK_GCC_VERSION(5,1) && !CHECK_GCC_VERSION(11,2)

     GCC_TURN_OFF(suggest-override)

 #endif