diff options
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/ipa-visibility.c | 8 |
2 files changed, 11 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 87c03cd..663beb7 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2015-12-25 Jan Hubicka <hubicka@ucw.cz> + + * ipa-visibility.c (function_and_variable_visibility): Do not + dissolve comdat groups when in LTO mode. + 2015-12-25 Andreas Tobler <andreast@gcc.gnu.org> * config/rs6000/freebsd64.h: Delete FREEBSD_DYNAMIC_LINKER32/64 diff --git a/gcc/ipa-visibility.c b/gcc/ipa-visibility.c index 4b48d6e..1f8c2e8 100644 --- a/gcc/ipa-visibility.c +++ b/gcc/ipa-visibility.c @@ -493,8 +493,12 @@ function_and_variable_visibility (bool whole_program) DECL_COMDAT (node->decl) = 0; /* For external decls stop tracking same_comdat_group. It doesn't matter - what comdat group they are in when they won't be emitted in this TU. */ - if (node->same_comdat_group && DECL_EXTERNAL (node->decl)) + what comdat group they are in when they won't be emitted in this TU. + + An exception is LTO where we may end up with both external + and non-external declarations in the same comdat group in + the case declarations was not merged. */ + if (node->same_comdat_group && DECL_EXTERNAL (node->decl) && !in_lto_p) { if (flag_checking) { |