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-rw-r--r--gcc/fortran/io.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/fortran/io.c b/gcc/fortran/io.c
index bb64560..9ae06b1f 100644
--- a/gcc/fortran/io.c
+++ b/gcc/fortran/io.c
@@ -3657,7 +3657,17 @@ 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");
+ {
+ gfc_error ("Expecting variable in READ statement at %C");
+ m = MATCH_ERROR;
+ }
+
+ if (m == MATCH_YES && expr->expr_type == EXPR_CONSTANT)
+ {
+ gfc_error ("Expecting variable or io-implied-do in READ statement "
+ "at %L", &expr->where);
+ m = MATCH_ERROR;
+ }
if (m == MATCH_YES
&& expr->expr_type == EXPR_VARIABLE
@@ -3667,7 +3677,6 @@ match_io_element (io_kind k, gfc_code **cpp)
&expr->where);
m = MATCH_ERROR;
}
-
}
else
{