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| author | Richard Guenther <rguenther@suse.de> | 2009-02-17 16:01:53 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-02-17 16:01:53 +0000 |
| commit | 6b24ee26e51ea066a5324578c95a0256dbd7a5c6 (patch) | |
| tree | a5861330ce269fc0e2f0fb5f3a8d6f41fcd0c03e /gcc/tree-ssa-structalias.c | |
| parent | 91ab2c868e9570a958c4884415d580c7bcd933f3 (diff) | |
| download | gcc-6b24ee26e51ea066a5324578c95a0256dbd7a5c6.zip gcc-6b24ee26e51ea066a5324578c95a0256dbd7a5c6.tar.gz gcc-6b24ee26e51ea066a5324578c95a0256dbd7a5c6.tar.bz2 | |
re PR tree-optimization/39202 (internal compiler error: in collapse_rest_of_var, at tree-ssa-structalias.c:3296)
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39202
* tree-ssa-structalias.c (do_structure_copy): Before collapsing
a var make sure to follow existing collapses.
* gcc.c-torture/compile/pr39202.c: New testcase.
From-SVN: r144235
Diffstat (limited to 'gcc/tree-ssa-structalias.c')
| -rw-r--r-- | gcc/tree-ssa-structalias.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index f9962b3..8f88796 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -3405,8 +3405,8 @@ do_structure_copy (tree lhsop, tree rhsop) { if (!do_simple_structure_copy (lhs, rhs, MIN (lhssize, rhssize))) { - lhs.var = collapse_rest_of_var (lhs.var); - rhs.var = collapse_rest_of_var (rhs.var); + lhs.var = collapse_rest_of_var (get_varinfo_fc (lhs.var)->id); + rhs.var = collapse_rest_of_var (get_varinfo_fc (rhs.var)->id); lhs.offset = 0; rhs.offset = 0; lhs.type = SCALAR; |