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-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/tree-ssa-structalias.c | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e30a668..d580020 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2009-02-17 Richard Guenther <rguenther@suse.de> + + PR tree-optimization/39207 + * tree-ssa-structalias.c (find_what_p_points_to): Do not emit + strict-aliasing warnings for pointers pointing to NULL. + 2009-02-16 Joseph Myers <joseph@codesourcery.com> PR c/35446 diff --git a/gcc/tree-ssa-structalias.c b/gcc/tree-ssa-structalias.c index 03f7a4a..f9962b3 100644 --- a/gcc/tree-ssa-structalias.c +++ b/gcc/tree-ssa-structalias.c @@ -4935,6 +4935,7 @@ find_what_p_points_to (tree p) { pi->pt_vars = NULL; if (pruned > 0 + && !pi->pt_null && pi->is_dereferenced && warn_strict_aliasing > 0 && !SSA_NAME_IS_DEFAULT_DEF (p)) |