[PATCH, committed] Fortran: fix FE memleak with BOZ expressions

[PATCH, committed] Fortran: fix FE memleak with BOZ expressions

[Harald Anlauf]

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Dear all,

while looking at variations of testcases in pr107560, I discovered
a minor FE memleak that was introduced in the BOZ rework and is
fixed by the attached simple patch.

Regtested on x86_64-pc-linux-gnu on OK'ed in the PR by Steve.

Thanks,
Harald


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From 833233a4aefc9981b671c1bda34676c20b76cc90 Mon Sep 17 00:00:00 2001
From: Harald Anlauf <anlauf@gmx.de>
Date: Fri, 24 Mar 2023 22:07:37 +0100
Subject: [PATCH] Fortran: fix FE memleak with BOZ expressions.

gcc/fortran/ChangeLog:

	* expr.cc (free_expr0): Free also BOZ strings as part of an expression.
---
 gcc/fortran/expr.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gcc/fortran/expr.cc b/gcc/fortran/expr.cc
index 4662328bf31..7fb33f81788 100644
--- a/gcc/fortran/expr.cc
+++ b/gcc/fortran/expr.cc
@@ -466,6 +466,10 @@ free_expr0 (gfc_expr *e)
 	  mpc_clear (e->value.complex);
 	  break;

+	case BT_BOZ:
+	  free (e->boz.str);
+	  break;
+
 	default:
 	  break;
 	}
--
2.35.3