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-rw-r--r--gcc/fortran/resolve.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 59cf034..c408390 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -10380,10 +10380,14 @@ gfc_resolve_code (gfc_code *code, gfc_namespace *ns)
{
gfc_expr *e = code->expr1;
+ gfc_resolve_expr (e);
+ if (e->expr_type == EXPR_NULL)
+ gfc_error ("Invalid NULL at %L", &e->where);
+
if (t && (e->rank > 0
|| !(e->ts.type == BT_REAL || e->ts.type == BT_INTEGER)))
gfc_error ("Arithmetic IF statement at %L requires a scalar "
- "REAL or INTEGER expression", &code->expr1->where);
+ "REAL or INTEGER expression", &e->where);
resolve_branch (code->label1, code);
resolve_branch (code->label2, code);