From b1be0054be0149ad735e662912e01ebd258cea49 Mon Sep 17 00:00:00 2001 From: Jerry DeLisle Date: Sat, 22 Jun 2019 19:58:47 +0000 Subject: re PR fortran/89782 (Can do an internal READ of a character array when it is a parameter, but not a scalar character parameter) 2019-06-22 Jerry DeLisle PR fortran/89782 * io.c (gfc_resolve_dt): Check that internal units are not character PARAMETER. * gfortran.dg/io_constraints.f90: New test. From-SVN: r272594 --- gcc/fortran/io.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'gcc/fortran/io.c') diff --git a/gcc/fortran/io.c b/gcc/fortran/io.c index 425c2b8..cd21c6b 100644 --- a/gcc/fortran/io.c +++ b/gcc/fortran/io.c @@ -3328,6 +3328,14 @@ gfc_resolve_dt (gfc_dt *dt, locus *loc) return false; } + if (e->symtree && e->symtree->n.sym->attr.flavor == FL_PARAMETER + && e->ts.type == BT_CHARACTER) + { + gfc_error ("UNIT specification at %L must " + "not be a character PARAMETER", &e->where); + return false; + } + if (gfc_resolve_expr (e) && (e->ts.type != BT_INTEGER && (e->ts.type != BT_CHARACTER || e->expr_type != EXPR_VARIABLE))) -- cgit v1.1