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ipa-cp.c (ipa_value_from_jfunc, [...]): Add bounds check.

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* ipa-cp.c (ipa_value_from_jfunc, ipa_context_from_jfunc): Add bounds
	check.

From-SVN: r220458
This commit is contained in:
Jan Hubicka 2015-02-05 19:39:24 +01:00 committed by Jan Hubicka
parent b291a2021d
commit 370a7814fc
2 changed files with 9 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2015-02-05 Jan Hubicka <hubicka@ucw.cz>
* ipa-cp.c (ipa_value_from_jfunc, ipa_context_from_jfunc): Add bounds
check.
2015-02-05 Joern Rennecke <joern.rennecke@embecosm.com>
* config/h8300/constraints.md ("U" constraint): Use strict

6
gcc/ipa-cp.c
View File

@ -942,7 +942,8 @@ ipa_value_from_jfunc (struct ipa_node_params *info, struct ipa_jump_func *jfunc)
{
ipcp_lattice<tree> *lat;
if (!info->lattices)
if (!info->lattices
|| idx >= ipa_get_param_count (info))
return NULL_TREE;
lat = ipa_get_scalar_lat (info, idx);
if (!lat->is_single_const ())
@ -1004,7 +1005,8 @@ ipa_context_from_jfunc (ipa_node_params *info, cgraph_edge *cs, int csidx,
}
else
{
if (!info->lattices)
if (!info->lattices
|| srcidx >= ipa_get_param_count (info))
return ctx;
ipcp_lattice<ipa_polymorphic_call_context> *lat;
lat = ipa_get_poly_ctx_lat (info, srcidx);