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re PR tree-optimization/50763 (ICE: verify_gimple failed: missing PHI def with -ftree-tail-merge)

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2011-11-04  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/50763
	* gcc.dg/pr50763-5.c: New test.

From-SVN: r180940
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Tom de Vries 2011-11-04 11:44:50 +00:00 • committed by Tom de Vries
parent 8751a35c53
commit 5a042b4748
2 changed files with 28 additions and 0 deletions
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5
gcc/testsuite/ChangeLog
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@ -1,3 +1,8 @@
2011-11-04 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/50763
* gcc.dg/pr50763-5.c: New test.
2011-11-04 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/50763

23
gcc/testsuite/gcc.dg/pr50763-5.c Normal file
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@ -0,0 +1,23 @@
/* { dg-do compile } */
/* { dg-options "-O2 -ftree-tail-merge" } */
struct inode
{
unsigned short i_mode;
unsigned int i_flags;
};
static inline int
is_sxid (unsigned int mode)
{
return (mode & 0004000) || ((mode & 0002000) && (mode & 00010));
};
void
gfs2_set_inode_flags (int ip, struct inode *inode)
{
unsigned int flags = inode->i_flags;
if ((ip == 0) && !is_sxid (inode->i_mode))
inode->i_flags |= 4096;
inode->i_flags = flags;
}