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authorJan Hubicka <hubicka@ucw.cz>2014-09-12 01:16:42 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2014-09-11 23:16:42 +0000
commit1ee85ee19b06863781374b7c9f97e4f6e931118b (patch)
tree5ca60267bac44557141301c497a4c5364a3466f9 /gcc/langhooks.c
parentbc9132dee6c4a8a4348a15ad62772d632351388b (diff)
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common.opt (flto-odr-type-merging): New flag.
* common.opt (flto-odr-type-merging): New flag. * ipa-deivrt.c (hash_type_name): Use ODR names for hasing if availale. (types_same_for_odr): Likewise. (odr_subtypes_equivalent_p): Likewise. (add_type_duplicate): Do not walk type variants. (register_odr_type): New function. * ipa-utils.h (register_odr_type): Declare. (odr_type_p): New function. * langhooks.c (lhd_set_decl_assembler_name): Do not compute TYPE_DECLs * doc/invoke.texi (-flto-odr-type-merging): Document. * tree.c (need_assembler_name_p): Compute ODR names when asked for it. * tree.h (DECL_ASSEMBLER_NAME): Update comment. * lto.c (lto_read_decls): Register ODR types. From-SVN: r215196
Diffstat (limited to 'gcc/langhooks.c')
-rw-r--r--gcc/langhooks.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/langhooks.c b/gcc/langhooks.c
index 8ff91ba..7d4c294 100644
--- a/gcc/langhooks.c
+++ b/gcc/langhooks.c
@@ -147,6 +147,11 @@ lhd_set_decl_assembler_name (tree decl)
{
tree id;
+ /* set_decl_assembler_name may be called on TYPE_DECL to record ODR
+ name for C++ types. By default types have no ODR names. */
+ if (TREE_CODE (decl) == TYPE_DECL)
+ return;
+
/* The language-independent code should never use the
DECL_ASSEMBLER_NAME for lots of DECLs. Only FUNCTION_DECLs and
VAR_DECLs for variables with static storage duration need a real