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| author | Jan Hubicka <jh@suse.cz> | 2012-01-08 17:32:49 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2012-01-08 16:32:49 +0000 |
| commit | 4c8836c61b19b88ddbfc3502c12dfcd9e87cee71 (patch) | |
| tree | a713926c58706e6da15d85a29a262e6f8cb3072d | |
| parent | 11f30bb0e4bf666229b6b236cd3e4ed1de13283a (diff) | |
| download | gcc-4c8836c61b19b88ddbfc3502c12dfcd9e87cee71.zip gcc-4c8836c61b19b88ddbfc3502c12dfcd9e87cee71.tar.gz gcc-4c8836c61b19b88ddbfc3502c12dfcd9e87cee71.tar.bz2 | |
re PR tree-optimization/51694 (ICE while compiling alliance package)
PR tree-optimize/51694
* ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
From-SVN: r182993
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ipa-cp.c | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/compile/pr51694.c | 14 |
4 files changed, 27 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0e93424..a2648d8 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2012-01-08 Jan Hubicka <jh@suse.cz> + + PR tree-optimize/51694 + * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks. + 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com> * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined diff --git a/gcc/ipa-cp.c b/gcc/ipa-cp.c index 2a82df1..ae38366 100644 --- a/gcc/ipa-cp.c +++ b/gcc/ipa-cp.c @@ -1112,7 +1112,8 @@ ipa_get_indirect_edge_target (struct cgraph_edge *ie, if (!ie->indirect_info->polymorphic) { - tree t = VEC_index (tree, known_vals, param_index); + tree t = (VEC_length (tree, known_vals) > param_index + ? VEC_index (tree, known_vals, param_index) : NULL); if (t && TREE_CODE (t) == ADDR_EXPR && TREE_CODE (TREE_OPERAND (t, 0)) == FUNCTION_DECL) @@ -1126,7 +1127,7 @@ ipa_get_indirect_edge_target (struct cgraph_edge *ie, otr_type = ie->indirect_info->otr_type; t = VEC_index (tree, known_vals, param_index); - if (!t && known_binfos) + if (!t && known_binfos && VEC_length (tree, known_binfos) > param_index) t = VEC_index (tree, known_binfos, param_index); if (!t) return NULL_TREE; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3385000..b8b9b94 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2012-01-07 Jan Hubicka <jh@suse.cz> + PR tree-optimize/51694 + * gcc.c-torture/compile/pr51694.c: new testcase. + +2012-01-07 Jan Hubicka <jh@suse.cz> + PR tree-optimization/51600 * g++.dg/torture/pr51600.C: New testcase. diff --git a/gcc/testsuite/gcc.c-torture/compile/pr51694.c b/gcc/testsuite/gcc.c-torture/compile/pr51694.c new file mode 100644 index 0000000..579a243 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/compile/pr51694.c @@ -0,0 +1,14 @@ +void +foo (x, fn) + void (*fn) (); +{ + int a = baz ((void *) 0, x); + (*fn) (x, 0); +} + +void +bar (void) +{ + void *x = 0; + foo (x); +} |