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backport: re PR rtl-optimization/41697 (ICE on gcc.c-torture/compile/20090917-1.c) 

Backport from mainline:
 2009-10-15  Steve Ellcey  <sje@cup.hp.com>

        PR rtl-optimization/41697
        * sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.

From-SVN: r163499
This commit is contained in:
Andrey Belevantsev 2010-08-24 12:51:56 +04:00 committed by Andrey Belevantsev
parent 5f86e30342
commit 0cc232de19
2 changed files with 11 additions and 0 deletions
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8
gcc/ChangeLog
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@ -1,3 +1,11 @@
2010-08-24 Andrey Belevantsev <abel@ispras.ru>
Backport from mainline:
2009-10-15 Steve Ellcey <sje@cup.hp.com>
PR rtl-optimization/41697
* sel-sched-ir.h (_eligible_successor_edge_p): Check successor count.
2010-08-24 Andrey Belevantsev <abel@ispras.ru>
Backport from mainline:

3
gcc/sel-sched-ir.h
View File

@ -1356,6 +1356,9 @@ _eligible_successor_edge_p (edge e1, succ_iterator *ip)
&& !(flags & SUCCS_OUT))
return false;
if (EDGE_COUNT (bb->succs) == 0)
return false;
e2 = EDGE_SUCC (bb, 0);
bb = e2->dest;
}