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| author | Richard Guenther <rguenther@suse.de> | 2010-07-26 13:29:14 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2010-07-26 13:29:14 +0000 |
| commit | bd422c4a74ab686f8902885671afb8564328b9c3 (patch) | |
| tree | d79fd31113105885baed67230b6f97b7bb452a81 /gcc/gimple-fold.c | |
| parent | e093ffe3c293fb22b4d9715159b604f29bacdcb5 (diff) | |
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re PR tree-optimization/45056 (ICE: in refs_may_alias_p_1, at tree-ssa-alias.c:1023)
2010-07-26 Richard Guenther <rguenther@suse.de>
PR middle-end/45056
* gimple-fold.c (fold_stmt_1): Also fold references in
debug stmts.
* g++.dg/pr45056.C: New testcase.
From-SVN: r162536
Diffstat (limited to 'gcc/gimple-fold.c')
| -rw-r--r-- | gcc/gimple-fold.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 5bf8282..5953d6a 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -1530,6 +1530,23 @@ fold_stmt_1 (gimple_stmt_iterator *gsi, bool inplace) } break; + case GIMPLE_DEBUG: + if (gimple_debug_bind_p (stmt)) + { + tree val = gimple_debug_bind_get_value (stmt); + if (val + && REFERENCE_CLASS_P (val)) + { + tree tem = maybe_fold_reference (val, false); + if (tem) + { + gimple_debug_bind_set_value (stmt, tem); + changed = true; + } + } + } + break; + default:; } |