https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70707
Alexander Kleinsorge <aleks at physik dot tu-berlin.de> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |aleks at physik dot tu-berlin.de --- Comment #2 from Alexander Kleinsorge <aleks at physik dot tu-berlin.de> --- Problem confirmed with: gcc (GCC) 5.3.0 Usage before definition is no header problem (as suggested by Lewis). // TestCode, no includes # define INT_MIN (-INT_MAX - 1) # define INT_MAX 2147483647 int test1(int b) { return (b + INT_MIN); } int main(int argc, char** argv) { return test1( argc ); } // EndOfFile