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Jan Hubicka ed0d2da02b re PR lto/47247 (Linker plugin specification makes it difficult to handle COMDATs) 
PR lto/47247
	* lto-plugin.c (get_symbols_v2): New variable.
	(write_resolution): Use V2 API when available.
	(onload): Handle LDPT_GET_SYMBOLS_V2.

	* lto-symtab.c (lto_symtab_resolve_symbols): Do not resolve
	when resolution is already availbale from plugin.
	(lto_symtab_merge_decls_1): Handle LDPR_PREVAILING_DEF_IRONLY_EXP.
	* cgraph.c (ld_plugin_symbol_resolution): Add prevailing_def_ironly_exp.
	* lto-cgraph.c (LDPR_NUM_KNOWN): Update.
	* ipa.c (varpool_externally_visible_p): IRONLY variables are never
	externally visible.
	* varasm.c (resolution_to_local_definition_p): Add
	LDPR_PREVAILING_DEF_IRONLY_EXP.
	(resolution_local_p): Likewise.

	* common.c (lto_resolution_str): Add new resolution.
	* common.h (lto_resolution_str): Likewise.

From-SVN: r179424
 		2011-10-02 10:41:24 +00:00
..
ChangeLog re PR lto/47247 (Linker plugin specification makes it difficult to handle COMDATs) 2011-10-02 10:41:24 +00:00
Makefile.am re PR bootstrap/49907 (lto-plugin -Wall in stage1) 2011-08-10 08:48:37 +00:00
Makefile.in re PR bootstrap/49907 (lto-plugin -Wall in stage1) 2011-08-10 08:48:37 +00:00
aclocal.m4 re PR bootstrap/49907 (lto-plugin -Wall in stage1) 2011-08-10 08:48:37 +00:00
config.h.in re PR middle-end/46674 (Weak alias is mistakenly optimized away) 2010-12-10 14:28:58 +00:00
configure re PR bootstrap/49907 (lto-plugin -Wall in stage1) 2011-08-10 08:48:37 +00:00
configure.ac re PR bootstrap/49907 (lto-plugin -Wall in stage1) 2011-08-10 08:48:37 +00:00
lto-plugin.c re PR lto/47247 (Linker plugin specification makes it difficult to handle COMDATs) 2011-10-02 10:41:24 +00:00
lto-symtab.c Merge lto branch into trunk. 2009-10-03 17:10:11 -04:00