From fec9fc1a17ec44461cee841513f1b6b8ad680fe4 Mon Sep 17 00:00:00 2001 From: Harald Anlauf Date: Tue, 10 Jan 2023 22:41:17 +0100 Subject: [PATCH] Fortran: frontend passes do_subscript leaks gmp memory [PR97345] gcc/fortran/ChangeLog: PR fortran/97345 * frontend-passes.cc (do_subscript): Clear used gmp variables. --- gcc/fortran/frontend-passes.cc | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/gcc/fortran/frontend-passes.cc b/gcc/fortran/frontend-passes.cc index 612c12d233d..db2b98290d6 100644 --- a/gcc/fortran/frontend-passes.cc +++ b/gcc/fortran/frontend-passes.cc @@ -2892,7 +2892,12 @@ do_subscript (gfc_expr **e) cmp = mpz_cmp (do_end, do_start); if ((sgn > 0 && cmp < 0) || (sgn < 0 && cmp > 0)) - break; + { + mpz_clear (do_start); + mpz_clear (do_end); + mpz_clear (do_step); + break; + } } /* May have to correct the end value if the step does not equal @@ -2965,6 +2970,12 @@ do_subscript (gfc_expr **e) mpz_clear (val); } } + + if (have_do_start) + mpz_clear (do_start); + if (have_do_end) + mpz_clear (do_end); + mpz_clear (do_step); } } } -- 2.35.3