https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90237
--- Comment #7 from Steve Kargl <sgk at troutmask dot apl.washington.edu> --- On Tue, May 21, 2019 at 09:43:29PM +0000, dominiq at lps dot ens.fr wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90237 > > --- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > > Why does this *warning* actually cause an error and abort the compilation? > > This is what I consider the bug, not the fact that it can't catch > > all cases properly. > > A warning is not an error unless you use -Werror or in some cases -pedantic. > Re-read Tobias's PR then. % gfcx -Wdo-subscript a.f90 a.f90:11:28: 11 | p(j) = p(swap(j)) | 1 Error: Index in dimension 1 is out of bounds at (1) a.f90:11:28: 9 | do j=1,6 | 2 10 | if (j<5) then 11 | p(j) = p(swap(j)) | 1 Warning: Array reference at (1) out of bounds (6 > 4) in loop beginning at (2) -Wdo-subscript] Why is there an error?
