Checking patch assert/tst-assert-c++.cc...
error: while searching for:
#undef NDEBUG
#include <assert.h>

/* The C++ standard requires that if the assert argument is a constant
   subexpression, then the assert itself is one, too.  */
constexpr int

error: patch failed: assert/tst-assert-c++.cc:21
error: assert/tst-assert-c++.cc: patch does not apply