From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1498) id 8C1083858410; Tue, 26 Oct 2021 14:25:10 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8C1083858410 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Sandra Loosemore To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-4714] Fix broken use of alloca in C interoperability testcase X-Act-Checkin: gcc X-Git-Author: Sandra Loosemore X-Git-Refname: refs/heads/master X-Git-Oldrev: a1516b50f291e132d76e3dc79ea91148f8713deb X-Git-Newrev: f9190a1c6d001099d1409298ae3b684499bd1fdd Message-Id: <20211026142510.8C1083858410@sourceware.org> Date: Tue, 26 Oct 2021 14:25:10 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Oct 2021 14:25:10 -0000 https://gcc.gnu.org/g:f9190a1c6d001099d1409298ae3b684499bd1fdd commit r12-4714-gf9190a1c6d001099d1409298ae3b684499bd1fdd Author: Sandra Loosemore Date: Mon Oct 25 11:08:28 2021 -0700 Fix broken use of alloca in C interoperability testcase 2021-10-25 Sandra Loosemore gcc/testsuite/ PR testsuite/102910 * gfortran.dg/c-interop/cf-descriptor-5-c.c: Use a static buffer instead of alloca. Diff: --- gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c b/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c index 12464b55512..320a354730b 100644 --- a/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c +++ b/gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c @@ -1,6 +1,5 @@ #include #include -#include #include #include "dump-descriptors.h" @@ -8,12 +7,18 @@ extern void ctest (int n); extern void ftest (CFI_cdesc_t *a, int n); +#define BUFSIZE 512 +static char adata[BUFSIZE]; + void ctest (int n) { CFI_CDESC_T(0) adesc; CFI_cdesc_t *a = (CFI_cdesc_t *) &adesc; - char *adata = (char *) alloca (n); + + /* Use a fixed-size static buffer instead of allocating one dynamically. */ + if (n > BUFSIZE) + abort (); /* Fill in adesc. */ check_CFI_status ("CFI_establish",