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backport: re PR rtl-optimization/45353 (ICE: RTL check: expected elt 3 type 'B', have '0' (rtx barrier) in sel_bb_head, at sel-sched-ir.c:4329 with -fselective-scheduling and __builtin_unreachable()) 

Backport from mainline
	2010-08-20  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/45353
	* sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
	after bb_note is a BARRIER.

From-SVN: r163731
This commit is contained in:
Eric Botcazou 2010-09-01 12:24:35 +00:00 committed by Eric Botcazou
parent aa69e489ec
commit b4573f54e9
2 changed files with 10 additions and 1 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2010-09-01 Eric Botcazou <ebotcazou@adacore.com>
Backport from mainline
2010-08-20 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/45353
* sel-sched-ir.c (sel_bb_head): Return NULL even if next_nonnote_insn
after bb_note is a BARRIER.
2010-09-01 Eric Botcazou <ebotcazou@adacore.com>
* gimplify.c (gimplify_init_constructor): Do not create a temporary for

2
gcc/sel-sched-ir.c
View File

@ -4291,7 +4291,7 @@ sel_bb_head (basic_block bb)
note = bb_note (bb);
head = next_nonnote_insn (note);
if (head && BLOCK_FOR_INSN (head) != bb)
if (head && (BARRIER_P (head) || BLOCK_FOR_INSN (head) != bb))
head = NULL_RTX;
}