Andrew Haley wrote: > The compiler is telling you that it's assuming that expbuf + 120 > does not wrap around. There's nothing really mysterious about it. But should that warning only occur on -Wstrict-overflow=3 or higher? Why does it occur on -Wstrict-overflow=2? I usually compile my software with -Werror (so that warnings won't be ignored anymore) and so this information from the compiler broke the build when going from GCC 8 to GCC 9. It seems -Wstrict-overflow=2 there is not fit to be used with -Werror anymore. Am I correct? Best regards, Alex