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| author | Richard Biener <rguenther@suse.de> | 2017-01-23 13:08:44 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2017-01-23 13:08:44 +0000 |
| commit | cffcafda6a42033a18ed8eab86ef34b867eaae1e (patch) | |
| tree | 34f640287902c6484f834a28a58d1adda8c710d4 /gcc/tree-vrp.c | |
| parent | bda2bc48c2f813d840a5951c5bb5fd67e8a760f9 (diff) | |
| download | gcc-cffcafda6a42033a18ed8eab86ef34b867eaae1e.zip gcc-cffcafda6a42033a18ed8eab86ef34b867eaae1e.tar.gz gcc-cffcafda6a42033a18ed8eab86ef34b867eaae1e.tar.bz2 | |
re PR tree-optimization/79186 (ICE on valid code at -O2 and -O3 on x86_64-linux-gnu: Segmentation fault (in VRP))
2017-01-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/79186
* tree-vrp.c (register_new_assert_for): Make sure we've seen
both incoming edges before moving an assert.
* gcc.dg/torture/pr79186.c: New testcase.
* gcc.dg/torture/pr79187.c: Likewise.
From-SVN: r244804
Diffstat (limited to 'gcc/tree-vrp.c')
| -rw-r--r-- | gcc/tree-vrp.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-vrp.c b/gcc/tree-vrp.c index ac37d3f..d7d7a0d 100644 --- a/gcc/tree-vrp.c +++ b/gcc/tree-vrp.c @@ -5035,6 +5035,7 @@ register_new_assert_for (tree name, tree expr, /* If we have the same assertion on all incoming edges of a BB instead insert it at the beginning of it. */ if (e && loc->e + && e != loc->e && dest_bb == loc->e->dest && EDGE_COUNT (dest_bb->preds) == 2) { |