diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/ipa-icf.c | 14 |
2 files changed, 20 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8652701..d2528d1 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-03-19 Jan Hubicka <hubicka@ucw.cz> + + PR ipa/65380 + * ipa-icf.c (sem_function::merge): Do not merge DECL_EXTERNAL symbols. + (sem_variable::merge): Likewise. + 2015-03-19 Martin Liska <mliska@suse.cz> PR ipa/65465 diff --git a/gcc/ipa-icf.c b/gcc/ipa-icf.c index f68d23c..360cf17 100644 --- a/gcc/ipa-icf.c +++ b/gcc/ipa-icf.c @@ -814,6 +814,13 @@ sem_function::merge (sem_item *alias_item) bool original_address_matters = original->address_matters_p (); bool alias_address_matters = alias->address_matters_p (); + if (DECL_EXTERNAL (alias->decl)) + { + if (dump_file) + fprintf (dump_file, "Not unifying; alias is external.\n\n"); + return false; + } + if (DECL_NO_INLINE_WARNING_P (original->decl) != DECL_NO_INLINE_WARNING_P (alias->decl)) { @@ -1776,6 +1783,13 @@ sem_variable::merge (sem_item *alias_item) return false; } + if (DECL_EXTERNAL (alias_item->decl)) + { + if (dump_file) + fprintf (dump_file, "Not unifying; alias is external.\n\n"); + return false; + } + sem_variable *alias_var = static_cast<sem_variable *> (alias_item); varpool_node *original = get_node (); |