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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [opt/] [vrp2.C] - Blame information for rev 853

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/* { dg-do run } */
/* { dg-options "-O2" } */
 
/* VRP was miscompiling the following as it thought &a->b was a dereference
   and therfore a was non-null.
   Reduced from Mozilla by Serge Belyshev .  */
 
extern "C" void abort (void);
struct T { int i; } t;
struct A : T { int j; } *p = __null;
 
int main (void)
{
  if (p == &t)
    return 0;
  if (p)
    abort ();
  return 0;
}
 

Line No.	Rev	Author	Line
1	149	jeremybenn	`/* { dg-do run } */`
2			`/* { dg-options "-O2" } */`
3
4			`/* VRP was miscompiling the following as it thought &a->b was a dereference`
5			`and therfore a was non-null.`
6			`Reduced from Mozilla by Serge Belyshev . */`
7
8			`extern "C" void abort (void);`
9			`struct T { int i; } t;`
10			`struct A : T { int j; } *p = __null;`
11
12			`int main (void)`
13			`{`
14			`if (p == &t)`
15			`return 0;`
16			`if (p)`
17			`abort ();`
18			`return 0;`
19			`}`
20

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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [g++.dg/] [opt/] [vrp2.C] - Blame information for rev 853