🚀 go-pugleaf

I am working on a Sun 3/260 - SunOS 4.1, gcc 1.37

I have compiled and linked a program using gcc -a with the expectation
that running the program should result in test coverage data files
being written.  (progname.d files)  However, running the program
results in this message:

writelines.c: Corrupt file: 4 blocks left
qsort.c: Corrupt file: 11 blocks left
alloc.c: Corrupt file: 3 blocks left
getline.c: Corrupt file: 12 blocks left
readlines.c: Corrupt file: 9 blocks left
main.c: Corrupt file: 3 blocks left

After which:
thor==> ll *.c
-rw-r--r--  1 tnelson         0 Jan  9 14:26 alloc.c
-rw-r--r--  1 tnelson         0 Jan  9 14:26 getline.c
-rw-r--r--  1 tnelson         0 Jan  9 14:26 main.c
-rw-r--r--  1 tnelson         0 Jan  9 14:26 qsort.c
-rw-r--r--  1 tnelson         0 Jan  9 14:26 readlines.c
-rw-r--r--  1 tnelson         0 Jan  9 14:26 writelines.c


if I remove *.c, running program results in:

count: Could not open writelines.c, errno 2
count: Could not open qsort.c, errno 2
count: Could not open alloc.c, errno 2
count: Could not open getline.c, errno 2
count: Could not open readlines.c, errno 2
count: Could not open main.c, errno 2


Has anyone been able to get this to work?  Anyone have some
suggestions here?

thanks!
tammie