Viewing file:  explode-2.c (1.32 KB) -rw-r--r--
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/* In theory each of p0...p3 can be in various malloc states,
independently, so the total combined number of states
at any program point within the loop is NUM_VARS * NUM_STATES.
However, due to the way the analyzer represents heap-allocated regions
this never terminates, eventually hitting the complexity limit
(PR analyzer/93695). */
/* { dg-additional-options "-Wno-analyzer-too-complex -Wno-analyzer-malloc-leak" } */
#include <stdlib.h>
extern int get (void);
void test (void)
{
void *p0 = NULL, *p1 = NULL, *p2 = NULL, *p3 = NULL;
while (get ())
{
switch (get ())
{
default:
case 0:
p0 = malloc (16); /* { dg-warning "leak" "" { xfail *-*-* } } */
break;
case 1:
free (p0); /* { dg-warning "double-'free' of 'p0'" } */
break;
case 2:
p1 = malloc (16); /* { dg-warning "leak" "" { xfail *-*-* } } */
break;
case 3:
free (p1); /* { dg-warning "double-'free' of 'p1'" "" { xfail *-*-* } } */
break;
case 4:
p2 = malloc (16); /* { dg-warning "leak" "" { xfail *-*-* } } */
break;
case 5:
free (p2); /* { dg-warning "double-'free' of 'p2'" "" { xfail *-*-* } } */
break;
case 6:
p3 = malloc (16); /* { dg-warning "leak" "" { xfail *-*-* } } */
break;
case 7:
free (p3); /* { dg-warning "double-'free' of 'p3'" "" { xfail *-*-* } } */
break;
}
}
}
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