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re PR lto/62034 (ICE for big statically initialized arrays compiled with LTO)

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2014-08-06  Richard Biener  <rguenther@suse.de>

	PR lto/62034
	* lto-streamer-in.c (lto_input_tree_1): Assert we do not read
	SCCs here.
	(lto_input_tree): Pop SCCs here.

From-SVN: r213664
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Richard Biener 2014-08-06 13:53:09 +00:00 committed by Richard Biener
parent abf3045448
commit b12c44e901
2 changed files with 17 additions and 10 deletions
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7
gcc/ChangeLog
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@ -1,3 +1,10 @@
2014-08-06 Richard Biener <rguenther@suse.de>
PR lto/62034
* lto-streamer-in.c (lto_input_tree_1): Assert we do not read
SCCs here.
(lto_input_tree): Pop SCCs here.
2014-08-06 Richard Biener <rguenther@suse.de> 2014-08-06 Richard Biener <rguenther@suse.de>
PR tree-optimization/61320 PR tree-optimization/61320

20
gcc/lto-streamer-in.c
View File

@ -1324,15 +1324,7 @@ lto_input_tree_1 (struct lto_input_block *ib, struct data_in *data_in,
streamer_tree_cache_append (data_in->reader_cache, result, hash); streamer_tree_cache_append (data_in->reader_cache, result, hash);
} }
else if (tag == LTO_tree_scc) else if (tag == LTO_tree_scc)
{ gcc_unreachable ();
unsigned len, entry_len;
/* Input and skip the SCC. */
lto_input_scc (ib, data_in, &len, &entry_len);
/* Recurse. */
return lto_input_tree (ib, data_in);
}
else else
{ {
/* Otherwise, materialize a new node from IB. */ /* Otherwise, materialize a new node from IB. */
@ -1345,7 +1337,15 @@ lto_input_tree_1 (struct lto_input_block *ib, struct data_in *data_in,
tree tree
lto_input_tree (struct lto_input_block *ib, struct data_in *data_in) lto_input_tree (struct lto_input_block *ib, struct data_in *data_in)
{ {
return lto_input_tree_1 (ib, data_in, streamer_read_record_start (ib), 0); enum LTO_tags tag;
/* Input and skip SCCs. */
while ((tag = streamer_read_record_start (ib)) == LTO_tree_scc)
{
unsigned len, entry_len;
lto_input_scc (ib, data_in, &len, &entry_len);
}
return lto_input_tree_1 (ib, data_in, tag, 0);
} }