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| author | Richard Biener <rguenther@suse.de> | 2019-03-25 13:53:50 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-03-25 13:53:50 +0000 |
| commit | 8d6419db2cd99949022cd76cf6b1d0f93be0394b (patch) | |
| tree | 3cd097e459f74ad756f2e348123284a774b9b32f /gcc/dwarf2out.c | |
| parent | be5ce04a6135e0aee4187ec1a1f167f403e0f856 (diff) | |
| download | gcc-8d6419db2cd99949022cd76cf6b1d0f93be0394b.zip gcc-8d6419db2cd99949022cd76cf6b1d0f93be0394b.tar.gz gcc-8d6419db2cd99949022cd76cf6b1d0f93be0394b.tar.bz2 | |
re PR tree-optimization/89789 (Compile time hog during RPO VN)
2019-03-25 Richard Biener <rguenther@suse.de>
PR tree-optimization/89789
* tree-ssa-sccvn.c (set_ssa_val_to): Do not allow lattice
changes from non-undefined back to undefined.
* gcc.dg/torture/pr89789.c: New testcase.
From-SVN: r269917
Diffstat (limited to 'gcc/dwarf2out.c')
0 files changed, 0 insertions, 0 deletions