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-rw-r--r--gcc/fortran/interface.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/gcc/fortran/interface.c b/gcc/fortran/interface.c
index fb6db21..f8ef33f 100644
--- a/gcc/fortran/interface.c
+++ b/gcc/fortran/interface.c
@@ -2991,11 +2991,20 @@ compare_actual_formal (gfc_actual_arglist **ap, gfc_formal_arglist *formal,
f->sym->name, actual_size, formal_size,
&a->expr->where);
else if (where)
- gfc_warning (OPT_Wargument_mismatch,
- "Actual argument contains too few "
- "elements for dummy argument %qs (%lu/%lu) at %L",
- f->sym->name, actual_size, formal_size,
- &a->expr->where);
+ {
+ /* Emit a warning for -std=legacy and an error otherwise. */
+ if (gfc_option.warn_std == 0)
+ gfc_warning (OPT_Wargument_mismatch,
+ "Actual argument contains too few "
+ "elements for dummy argument %qs (%lu/%lu) "
+ "at %L", f->sym->name, actual_size,
+ formal_size, &a->expr->where);
+ else
+ gfc_error_now ("Actual argument contains too few "
+ "elements for dummy argument %qs (%lu/%lu) "
+ "at %L", f->sym->name, actual_size,
+ formal_size, &a->expr->where);
+ }
return false;
}