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authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-26 12:36:01 +0000
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>2007-01-26 12:36:01 +0000
commit07cd0533e5dfe1c9efd459598c7a9f8e0d71bb70 (patch)
treed9052574b8b91b12ba483ce319b073f94f820108 /gcc/tree-ssa-structalias.c
parentf30a3c31372ec33af9d8012a86752634163d718f (diff)
downloadgcc-07cd0533e5dfe1c9efd459598c7a9f8e0d71bb70.tar.gz
2007-01-26 Daniel Berlin <dberlin@dberlin.org>
Richard Guenther <rguenther@suse.de> * tree-ssa-structalias.c (solve_graph): Handle case we merged the variable to another. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@121202 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
-rw-r--r--gcc/tree-ssa-structalias.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c
index def895854f5..dd95c9f6e56 100644
--- a/gcc/tree-ssa-structalias.c
+++ b/gcc/tree-ssa-structalias.c
@@ -2051,9 +2051,10 @@ solve_graph (constraint_graph_t graph)
if (find (i) != i)
continue;
- eliminate_indirect_cycles (i);
-
- gcc_assert (find (i) == i);
+ /* In certain indirect cycle cases, we may merge this
+ variable to another. */
+ if (eliminate_indirect_cycles (i) && find(i) != i)
+ continue;
/* If the node has changed, we need to process the
complex constraints and outgoing edges again. */