mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-21 00:21:03 +08:00
Code Issues Packages Projects Releases Wiki Activity

re PR bootstrap/65232 (bootstrap failure (ICE in change_symbol_block, at varasm.c:1230) on arm-linux-gnueabihf, in libstdc++ stage1)

Browse Source 
PR ipa/65232
	* ipa-icf.c (clear_decl_rtl): New function.
	(sem_function::merge): Clear RTL before forming alias.
	(sem_variable::merge): Clear RTL before forming alias.

From-SVN: r221078
This commit is contained in:
Jan Hubicka 2015-02-28 23:46:22 +01:00 committed by Jan Hubicka
parent b7aa4a3ab3
commit 412049de81
2 changed files with 23 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
gcc/ChangeLog
View File

@ -1,3 +1,10 @@
2015-02-28 Jan Hubicka <hubicka@ucw.cz>
PR ipa/65232
* ipa-icf.c (clear_decl_rtl): New function.
(sem_function::merge): Clear RTL before forming alias.
(sem_variable::merge): Clear RTL before forming alias.
2015-02-28 Jan Hubicka <hubicka@ucw.cz>
PR ipa/65236

17
gcc/ipa-icf.c
View File

@ -632,7 +632,7 @@ set_local (cgraph_node *node, void *data)
return false;
}
/* TREE_ADDRESSABLE of NODE to true if DATA is non-NULL.
/* TREE_ADDRESSABLE of NODE to true.
Helper for call_for_symbol_thunks_and_aliases. */
static bool
@ -642,6 +642,16 @@ set_addressable (varpool_node *node, void *)
return false;
}
/* Clear DECL_RTL of NODE.
Helper for call_for_symbol_thunks_and_aliases. */
static bool
clear_decl_rtl (symtab_node *node, void *)
{
SET_DECL_RTL (node->decl, NULL);
return false;
}
/* Redirect all callers of N and its aliases to TO. Remove aliases if
possible. Return number of redirections made. */
@ -893,6 +903,9 @@ sem_function::merge (sem_item *alias_item)
ipa_merge_profiles (original, alias);
alias->release_body (true);
alias->reset ();
/* Notice global symbol possibly produced RTL. */
((symtab_node *)alias)->call_for_symbol_and_aliases (clear_decl_rtl,
NULL, true);
/* Create the alias. */
cgraph_node::create_alias (alias_func->decl, decl);
@ -1512,6 +1525,8 @@ sem_variable::merge (sem_item *alias_item)
alias->analyzed = false;
DECL_INITIAL (alias->decl) = NULL;
((symtab_node *)alias)->call_for_symbol_and_aliases (clear_decl_rtl,
NULL, true);
alias->need_bounds_init = false;
alias->remove_all_references ();
if (TREE_ADDRESSABLE (alias->decl))