diff options
Diffstat (limited to 'gcc/fortran/io.c')
| -rw-r--r-- | gcc/fortran/io.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc/fortran/io.c b/gcc/fortran/io.c index 4ea37a3..fce9228 100644 --- a/gcc/fortran/io.c +++ b/gcc/fortran/io.c @@ -3610,6 +3610,16 @@ match_io_element (io_kind k, gfc_code **cpp) m = gfc_match_variable (&expr, 0); if (m == MATCH_NO) gfc_error ("Expected variable in READ statement at %C"); + + if (m == MATCH_YES + && expr->expr_type == EXPR_VARIABLE + && expr->symtree->n.sym->attr.external) + { + gfc_error ("Expecting variable or io-implied-do at %L", + &expr->where); + m = MATCH_ERROR; + } + } else { |