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| author | Martin Jambor <mjambor@suse.cz> | 2013-06-11 14:50:13 +0200 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2013-06-11 14:50:13 +0200 |
| commit | 97756c0ec5ec388e447b60b45d194a95744cdf68 (patch) | |
| tree | aad10bc95ebcb3eb5f7f5cf86de1579552485496 /gcc | |
| parent | 2c7b8bf6d3e875772946d9c4dd10ecb6a8a8b883 (diff) | |
| download | gcc-97756c0ec5ec388e447b60b45d194a95744cdf68.zip gcc-97756c0ec5ec388e447b60b45d194a95744cdf68.tar.gz gcc-97756c0ec5ec388e447b60b45d194a95744cdf68.tar.bz2 | |
ipa-cp.c (ipa_get_indirect_edge_target_1): Check that param_index is within bounds at the beginning of the function.
2013-06-11 Martin Jambor <mjambor@suse.cz>
* ipa-cp.c (ipa_get_indirect_edge_target_1): Check that param_index is
within bounds at the beginning of the function.
From-SVN: r199953
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ipa-cp.c | 6 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f346780..f02e6b2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2013-06-11 Martin Jambor <mjambor@suse.cz> + + * ipa-cp.c (ipa_get_indirect_edge_target_1): Check that param_index is + within bounds at the beginning of the function. + 2013-06-11 Alan Modra <amodra@gmail.com> * varasm.c (get_section): Don't die on !DECL_P decl. Tidy error diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c index af4e948..9c29d1d 100644 --- a/gcc/ipa-cp.c +++ b/gcc/ipa-cp.c @@ -1481,7 +1481,8 @@ ipa_get_indirect_edge_target_1 (struct cgraph_edge *ie, tree otr_type; tree t; - if (param_index == -1) + if (param_index == -1 + || known_vals.length () <= (unsigned int) param_index) return NULL_TREE; if (!ie->indirect_info->polymorphic) @@ -1516,8 +1517,7 @@ ipa_get_indirect_edge_target_1 (struct cgraph_edge *ie, t = NULL; } else - t = (known_vals.length () > (unsigned int) param_index - ? known_vals[param_index] : NULL); + t = known_vals[param_index]; if (t && TREE_CODE (t) == ADDR_EXPR |