Hi, committed the following patch as r255045, pre-approved in the PR:
2017-11-22 Janne Blomqvist <j...@gcc.gnu.org> PR libfortran/83070 * intrinsics/eoshift0.c (eoshift0): Fix -Wsign-compare warning by making a_ex and r_ex index_type instead of size_t. --- trunk/libgfortran/intrinsics/eoshift0.c 2017/11/22 08:47:47 255044 +++ trunk/libgfortran/intrinsics/eoshift0.c 2017/11/22 08:51:21 255045 @@ -107,7 +107,7 @@ if (which > 0) { /* Test if both ret and array are contiguous. */ - size_t r_ex, a_ex; + index_type r_ex, a_ex; r_ex = 1; a_ex = 1; do_blocked = true; -- Janne Blomqvist