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re PR ipa/64872 (ICE: Segmentation fault during Chromium PGO build) 

PR ipa/64872
	* ipa-utils.c (ipa_merge_profiles): Add release argument.
	* ipa-icf.c (sem_function::merge): Do not release body when merging.
	* ipa-utils.h (ipa_merge_profiles): Update prototype.

From-SVN: r220329
This commit is contained in:
Jan Hubicka 2015-02-01 19:46:14 +01:00 committed by Jan Hubicka
parent dfde35b359
commit b730d1c991
4 changed files with 15 additions and 5 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2015-01-29 Jan Hubicka <hubicka@ucw.cz>
PR ipa/64872
* ipa-utils.c (ipa_merge_profiles): Add release argument.
* ipa-icf.c (sem_function::merge): Do not release body when merging.
* ipa-utils.h (ipa_merge_profiles): Update prototype.
2015-02-01 Jakub Jelinek <jakub@redhat.com>
PR debug/64817

2
gcc/ipa-icf.c
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@ -762,7 +762,7 @@ sem_function::merge (sem_item *alias_item)
}
alias->icf_merged = true;
ipa_merge_profiles (local_original, alias);
ipa_merge_profiles (local_original, alias, true);
alias->create_wrapper (local_original);
if (dump_file)

9
gcc/ipa-utils.c
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@ -407,11 +407,13 @@ get_base_var (tree t)
/* SRC and DST are going to be merged. Take SRC's profile and merge it into
DST so it is not going to be lost. Destroy SRC's body on the way. */
DST so it is not going to be lost. Possibly destroy SRC's body on the way
unless PRESERVE_BODY is set. */
void
ipa_merge_profiles (struct cgraph_node *dst,
struct cgraph_node *src)
struct cgraph_node *src,
bool preserve_body)
{
tree oldsrcdecl = src->decl;
struct function *srccfun, *dstcfun;
@ -652,7 +654,8 @@ ipa_merge_profiles (struct cgraph_node *dst,
e->frequency = freq;
}
}
src->release_body ();
if (!preserve_body)
src->release_body ();
inline_update_overall_summary (dst);
}
/* TODO: if there is no match, we can scale up. */

2
gcc/ipa-utils.h
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@ -44,7 +44,7 @@ bool ipa_edge_within_scc (struct cgraph_edge *);
int ipa_reverse_postorder (struct cgraph_node **);
tree get_base_var (tree);
void ipa_merge_profiles (struct cgraph_node *dst,
struct cgraph_node *src);
struct cgraph_node *src, bool preserve_body = false);
bool recursive_call_p (tree, tree);
/* In ipa-profile.c */