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Fix broken use of alloca in C interoperability testcase

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2021-10-25  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/testsuite/

	PR testsuite/102910
	* gfortran.dg/c-interop/cf-descriptor-5-c.c: Use a static buffer
	instead of alloca.
This commit is contained in:
Sandra Loosemore 2021-10-25 11:08:28 -07:00
parent a1516b50f2
commit f9190a1c6d
1 changed files with 7 additions and 2 deletions
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9
gcc/testsuite/gfortran.dg/c-interop/cf-descriptor-5-c.c
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@ -1,6 +1,5 @@
#include <stdlib.h>
#include <stdio.h>
#include <alloca.h>
#include <ISO_Fortran_binding.h>
#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",