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re PR tree-optimization/35833 (Wrong code generated with -ftree-vrp)

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2008-04-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/35833
	* gcc.dg/torture/pr35833.c: New testcase.

From-SVN: r133941
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Richard Guenther 2008-04-05 18:04:07 +00:00 committed by Richard Biener
parent 9fb7564ea2
commit 3d3e20df36
2 changed files with 27 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2008-04-05 Richard Guenther <rguenther@suse.de>
PR tree-optimization/35833
* gcc.dg/torture/pr35833.c: New testcase.
2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
* gcc.target/sh/sh2a-band.c: New test.

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gcc/testsuite/gcc.dg/torture/pr35833.c Normal file
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/* { dg-do run } */
/* { dg-options "-ftree-vrp" } */
struct S {struct S *field;};
struct S True, False, Z;
static inline int f(void) {return 1;}
static inline int g(struct S **obj) {
return f() && *obj == &Z;
}
struct S **h(struct S **x) {
if (x)
return g(x) ? &True.field : &False.field;
else
return &True.field;
}
extern void abort (void);
int main()
{
if (h(&False.field) != &False.field)
abort ();
return 0;
}