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authorXinliang David Li <davidxl@google.com>2010-10-12 22:32:00 +0000
committerXinliang David Li <davidxl@gcc.gnu.org>2010-10-12 22:32:00 +0000
commit98d30e4fb5d73b248be75946e90ec2e73b397268 (patch)
tree8ecb44bb7e472998d5866823e87062fcdf53c9ed /gcc/tree-ssa-uninit.c
parentf46842422035db1b85c4aaa550dc811110ac937d (diff)
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fix pr/45972
From-SVN: r165402
Diffstat (limited to 'gcc/tree-ssa-uninit.c')
-rw-r--r--gcc/tree-ssa-uninit.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-uninit.c b/gcc/tree-ssa-uninit.c
index 4398db7..78b88e9 100644
--- a/gcc/tree-ssa-uninit.c
+++ b/gcc/tree-ssa-uninit.c
@@ -149,6 +149,9 @@ compute_uninit_opnds_pos (gimple phi)
unsigned uninit_opnds = 0;
n = gimple_phi_num_args (phi);
+ /* Bail out for phi with too many args. */
+ if (n > 32)
+ return 0;
for (i = 0; i < n; ++i)
{