diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-21 12:00:47 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2007-06-21 12:00:47 +0000 |
| commit | ad330780bbfd2fdd7aec0df358533d8871fc1aee (patch) | |
| tree | 973e458af9c6ab27a8175b9f1f57fd432983f886 /gcc/tree-ssa-threadupdate.c | |
| parent | cf2226ccf230c86ddff094c01a807764f2f5fce3 (diff) | |
| download | gcc-ad330780bbfd2fdd7aec0df358533d8871fc1aee.tar.gz | |
2007-06-21 Richard Guenther <rguenther@suse.de>
PR tree-optimization/32451
* tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
* g++.dg/torture/20070621-1.C: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@125916 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-threadupdate.c')
| -rw-r--r-- | gcc/tree-ssa-threadupdate.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-ssa-threadupdate.c b/gcc/tree-ssa-threadupdate.c index f5a524ac922..40a54370008 100644 --- a/gcc/tree-ssa-threadupdate.c +++ b/gcc/tree-ssa-threadupdate.c @@ -636,6 +636,11 @@ thread_single_edge (edge e) /* If BB has just a single predecessor, we should only remove the control statements at its end, and successors except for ETO. */ remove_ctrl_stmt_and_useless_edges (bb, eto->dest); + + /* And fixup the flags on the single remaining edge. */ + eto->flags &= ~(EDGE_TRUE_VALUE | EDGE_FALSE_VALUE | EDGE_ABNORMAL); + eto->flags |= EDGE_FALLTHRU; + return bb; } |