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authorJan Hubicka <hubicka@ucw.cz>2019-12-19 11:03:48 +0100
committerJan Hubicka <hubicka@gcc.gnu.org>2019-12-19 10:03:48 +0000
commit40ebe1fc2f136a454b0d5efa119bb516ad767c91 (patch)
tree302cab4062b9e251794530c40e2009eb19eb7509 /gcc/lto
parent44fca83228acc96c19c51e52b5c0448e09329170 (diff)
Fix symver attribute with LTO
* cgraph.c (cgraph_node_cannot_be_local_p_1): Prevent targets of symver attributes to be localized. * ipa-visibility.c (cgraph_externally_visible_p, varpool_node::externally_visible_p): Likewise. * symtab.c (symtab_node::verify_base): Check visibility of symbol versions. * lto-common.c (read_cgraph_and_symbols): Work around binutils PR25424 Co-Authored-By: Xi Ruoyao <xry111@mengyan1223.wang> From-SVN: r279566
Diffstat (limited to 'gcc/lto')
-rw-r--r--gcc/lto/ChangeLog6
-rw-r--r--gcc/lto/lto-common.c5
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/lto/ChangeLog b/gcc/lto/ChangeLog
index 9f974afb123..d0b1dba740e 100644
--- a/gcc/lto/ChangeLog
+++ b/gcc/lto/ChangeLog
@@ -1,3 +1,9 @@
+2019-12-19 Jan Hubicka <hubicka@ucw.cz>
+ Xi Ruoyao <xry111@mengyan1223.wang>
+
+ * lto-common.c (read_cgraph_and_symbols): Work around binutils
+ PR25424
+
2019-12-07 Jan Hubicka <hubicka@ucw.cz>
* lto-partition.c (lto_balanced_map): Fix printing of tp_first_run.
diff --git a/gcc/lto/lto-common.c b/gcc/lto/lto-common.c
index 76a9d9383d5..ee07730a27d 100644
--- a/gcc/lto/lto-common.c
+++ b/gcc/lto/lto-common.c
@@ -2818,6 +2818,11 @@ read_cgraph_and_symbols (unsigned nfiles, const char **fnames)
IDENTIFIER_POINTER
(DECL_ASSEMBLER_NAME (snode->decl)));
}
+ /* Symbol versions are always used externally, but linker does not
+ report that correctly.
+ This is binutils PR25924. */
+ else if (snode->symver && *res == LDPR_PREVAILING_DEF_IRONLY)
+ snode->resolution = LDPR_PREVAILING_DEF_IRONLY_EXP;
else
snode->resolution = *res;
}