There was a bug which prevented building libgfortran. Now after the
issue is fixed, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88331,
I have posted new testresults.

https://gcc.gnu.org/ml/gcc-testresults/2019-01/msg01052.html

Compared to rev. 265163 we have the following changes:

acats tests:
15 new unexpected failures

g++ tests:
155 additional unexpected failures

gcc tests:
63 additional unexpected failures

gfortran tests:
22 additional unexpected failures

gnat tests:
1 additional unexpected successes

obj-c++ tests:
5 additional unexpected failures

objc tests:
no difference

libatomic:
no difference

libgomp:
71 additional unexpected failures

libstdc++ tests:
5 additional unexpected failures

You may find the complete logs at
https://cloud.emrich-ebersheim.de/index.php/s/g9D245XdCW6GD5W

I hope this helps.

Rainer