toolchain/Config.in: update gcc bug 99410

Gcc bug 99410 reappeared while building with gcc 11.x and while
testing it also shows up with gcc 12.x, so let's enable this bug for
all gcc versions except gcc 8.x.

Fixes:

  http://autobuild.buildroot.net/results/64e54ef5ba3a3dee391b788315615d57a1dd9fa2/



Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>