https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67885
--- Comment #1 from Gerhard Steinmetz <gerhard.steinmetz.fort...@t-online.de> --- Deleting this inner block gives another error : $ cat z5.f90 program p block real, parameter :: a(2) = 1.0 real :: x(2) x = a print *, x end block end $ gfortran -g -O0 -Wall -fcheck=all -fno-frontend-optimize z5.f90 /tmp/cckgiZhq.o: In function `p': /home/.../z5.f90:5: undefined reference to `a.3386' collect2: error: ld returned 1 exit status $ gfortran z5.f90 /tmp/ccwaNc8P.o: In function `MAIN__': z5.f90:(.text+0xe): undefined reference to `a.3385' collect2: error: ld returned 1 exit status