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| author | Alan Modra <amodra@gmail.com> | 2016-05-28 18:46:00 +0930 |
|---|---|---|
| committer | Alan Modra <amodra@gcc.gnu.org> | 2016-05-28 18:46:00 +0930 |
| commit | bcfbf2577058906acb92663960d88aaf94d13775 (patch) | |
| tree | 7f09e195ecac1319fce72654c18fb5c78ca15315 /gcc | |
| parent | cdfa2b24d2496f304c65bf48a6bc4f66bbc2e698 (diff) | |
| download | gcc-bcfbf2577058906acb92663960d88aaf94d13775.zip gcc-bcfbf2577058906acb92663960d88aaf94d13775.tar.gz gcc-bcfbf2577058906acb92663960d88aaf94d13775.tar.bz2 | |
Fix segfault on verify_dominators error path
* dominance.c (verify_dominators): Don't segfault on NULL imm_bb.
From-SVN: r236845
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/dominance.c | 1 |
2 files changed, 5 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 84655a4..1f9ea20 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2016-05-28 Alan Modra <amodra@gmail.com> + * dominance.c (verify_dominators): Don't segfault on NULL imm_bb. + +2016-05-28 Alan Modra <amodra@gmail.com> + PR rtl-optimization/71275 * ira.c (ira): Free dominance info. diff --git a/gcc/dominance.c b/gcc/dominance.c index 073a605..e3308cc 100644 --- a/gcc/dominance.c +++ b/gcc/dominance.c @@ -1024,6 +1024,7 @@ verify_dominators (cdi_direction dir) { error ("dominator of %d status unknown", bb->index); err = true; + continue; } basic_block imm_bb_correct = di.get_idom (bb); |