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| author | Richard Biener <rguenther@suse.de> | 2012-12-04 09:19:05 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-12-04 09:19:05 +0000 |
| commit | c3dd8dd768d1a7af0058c4592d9e34b3b2a63fe9 (patch) | |
| tree | c0f80ce30991184212fcbba4fc0844cffd34bef3 /gcc/tsan.c | |
| parent | f2b2ead42ed389a918b586b3f95c26455ae13e7c (diff) | |
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re PR tree-optimization/55124 (ICE in find_or_generate_expression, at tree-ssa-pre.c:2803)
2012-12-04 Richard Biener <rguenther@suse.de>
PR tree-optimization/55124
* tree-ssa-pre.c (find_or_generate_expression): Instead of
ICEing when we are not able to generate an expression defer it
by signalling failure. Fix possible wrong-code issue by
not picking random REFERENCE expressions as fallback.
(create_component_ref_by_pieces_1): Adjust. Add failure paths.
(create_expression_by_pieces): Likewise.
(insert_into_preds_of_block): When expression generation failed
for one edge make sure to not insert a PHI node.
* gcc.dg/torture/pr55124.c: New testcase.
From-SVN: r194125
Diffstat (limited to 'gcc/tsan.c')
0 files changed, 0 insertions, 0 deletions