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| author | Aldy Hernandez <aldyh@redhat.com> | 2015-03-02 05:22:03 +0000 |
|---|---|---|
| committer | Aldy Hernandez <aldyh@gcc.gnu.org> | 2015-03-02 05:22:03 +0000 |
| commit | 34a108c813ff0644384f4f8796797cdb30811644 (patch) | |
| tree | 2be6027ac9b9a1f32b4327b7133854ee1b8e0c4d /gcc/ipa-polymorphic-call.c | |
| parent | 4630573709177f43b6b755326c90d6b777fbb2ab (diff) | |
re PR middle-end/65233 (ICE (segfault) on arm-linux-gnueabihf and aarch64-linux-gnu)
PR middle-end/65233
* ipa-polymorphic-call.c (walk_ssa_copies): Handle empty PHIs.
From-SVN: r221097
Diffstat (limited to 'gcc/ipa-polymorphic-call.c')
| -rw-r--r-- | gcc/ipa-polymorphic-call.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gcc/ipa-polymorphic-call.c b/gcc/ipa-polymorphic-call.c index aaa549e03d3..13cc7f647ff 100644 --- a/gcc/ipa-polymorphic-call.c +++ b/gcc/ipa-polymorphic-call.c @@ -835,7 +835,10 @@ walk_ssa_copies (tree op, hash_set<tree> **global_visited = NULL) { gimple phi = SSA_NAME_DEF_STMT (op); - if (gimple_phi_num_args (phi) > 2) + if (gimple_phi_num_args (phi) > 2 + /* We can be called while cleaning up the CFG and can + have empty PHIs about to be removed. */ + || gimple_phi_num_args (phi) == 0) goto done; if (gimple_phi_num_args (phi) == 1) op = gimple_phi_arg_def (phi, 0); |