From 45f406c4f62e516b58dcda20b5a7aa43ff0aa0f3 Mon Sep 17 00:00:00 2001
From: Harald Anlauf <anlauf@gmx.de>
Date: Fri, 24 Feb 2023 19:56:32 +0100
Subject: [PATCH] Fortran: frontend passes do_subscript leaks gmp memory
 [PR108924]

gcc/fortran/ChangeLog:

	PR fortran/108924
	* frontend-passes.cc (do_subscript): Clear used gmp variable.
---
 gcc/fortran/frontend-passes.cc | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gcc/fortran/frontend-passes.cc b/gcc/fortran/frontend-passes.cc
index 02fcb41dbc4..90428982023 100644
--- a/gcc/fortran/frontend-passes.cc
+++ b/gcc/fortran/frontend-passes.cc
@@ -2883,7 +2883,10 @@ do_subscript (gfc_expr **e)
 		have_do_end = false;

 	      if (!have_do_start && !have_do_end)
-		return 0;
+		{
+		  mpz_clear (do_step);
+		  return 0;
+		}

 	      /* No warning inside a zero-trip loop.  */
 	      if (have_do_start && have_do_end)
--
2.35.3