https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68968
--- Comment #2 from kargl at gcc dot gnu.org --- (In reply to kargl from comment #1) > (In reply to Fred Krogh from comment #0) > > Created attachment 37073 [details] > > Compile this as indicated in the comments and get a segmentation fault in > > the compiler > > > > test.F90 attached gives an internal compiler error (Segmentation fault) when > > compiled with > > > > gfortran -Dplet_=\'q\' -o test test.F90 > > > > If gfortran is replaced by cpp in the above, it seems to generate what one > > would expect. > > A workaround is to remove the apostrophes around 's', 'd', and 'q'. Forgot to add % gfc6 -E -Dplet_=s ~/tmp/wq.F90 | cat -s # 1 "/mnt/sgk/tmp/wq.F90" # 1 "<built-in>" # 1 "<command-line>" # 1 "/mnt/sgk/tmp/wq.F90" program test print '(A)', "C_FLOAT" stop end program test
