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re PR rtl-optimization/20466 (Missed invalidation of known memory contents in flow2...)

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PR rtl-optimization/20466
	* gcc.c-torture/execute/pr20466-1.c: New test.

From-SVN: r97869
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Hans-Peter Nilsson 2005-04-08 23:18:32 +00:00 committed by Hans-Peter Nilsson
parent 0cb7f060b2
commit 69ea8c65c9
2 changed files with 31 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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2005-04-09 Hans-Peter Nilsson <hp@axis.com>
PR rtl-optimization/20466
* gcc.c-torture/execute/pr20466-1.c: New test.
2005-04-08 Mark Mitchell <mark@codesourcery.com>
PR c++/20905

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gcc/testsuite/gcc.c-torture/execute/pr20466-1.c Normal file
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int f (int **, int *, int *, int **, int **) __attribute__ ((__noinline__));
int
f (int **ipp, int *i1p, int *i2p, int **i3, int **i4)
{
**ipp = *i1p;
*ipp = i2p;
*i3 = *i4;
**ipp = 99;
return 3;
}
extern void exit (int);
extern void abort (void);
int main (void)
{
int i = 42, i1 = 66, i2 = 1, i3 = -1, i4 = 55;
int *ip = &i;
int *i3p = &i3;
int *i4p = &i4;
f (&ip, &i1, &i2, &i3p, &i4p);
if (i != 66 || ip != &i2 || i2 != 99 || i3 != -1 || i3p != i4p || i4 != 55)
abort ();
exit (0);
}