commit 1fa08dcac686ca5b6d84e64c9f5813daef59f540
author Harald Anlauf <anlauf@gmx.de> Wed Jul 08 20:53:12 2020 +0200
committer Harald Anlauf <anlauf@gmx.de> Wed Jul 08 20:53:12 2020 +0200
tree dba8a62501696694d765d85ceaaaf2974b6e3e1c
parent 1f0d61455710c65cf69488022a0f3a257e3997dd

PR fortran/96085 - ICE in gfc_finish_var_decl, at fortran/trans-decl.c:694

Legacy ASSIGN requires a scalar integer variable.  Reject parameter
arguments.

gcc/fortran/
	PR fortran/96085
	* resolve.c (gfc_resolve_code): Check whether assign target is a
	parameter.

gcc/fortran/resolve.c

diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 223dccc..6bc1c46 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -11900,6 +11900,7 @@
 		  || code->expr1->symtree->n.sym->ts.type != BT_INTEGER
 		  || code->expr1->symtree->n.sym->ts.kind
 		     != gfc_default_integer_kind
+		  || code->expr1->symtree->n.sym->attr.flavor == FL_PARAMETER
 		  || code->expr1->symtree->n.sym->as != NULL))
 	    gfc_error ("ASSIGN statement at %L requires a scalar "
 		       "default INTEGER variable", &code->expr1->where);