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re PR middle-end/48441 (ICE in mark_oprs_set)

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PR middle-end/48441
	* cprop.c (one_cprop_pass): Do not mark_oprs_set of deleted insns.

From-SVN: r171994
This commit is contained in:
Steven Bosscher 2011-04-05 18:15:04 +00:00
parent b405b27425
commit b71b43d913
2 changed files with 7 additions and 2 deletions
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5
gcc/ChangeLog
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@ -1,3 +1,8 @@
2011-04-05 Steven Bosscher <steven@gcc.gnu.org>
PR middle-end/48441
* cprop.c (one_cprop_pass): Do not mark_oprs_set of deleted insns.
2011-04-05 Nathan Froyd <froydnj@codesourcery.com>
* combine.c: Include obstack.h.

4
gcc/cprop.c
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@ -1797,8 +1797,8 @@ one_cprop_pass (void)
/* Keep track of everything modified by this insn. */
/* ??? Need to be careful w.r.t. mods done to INSN.
Don't call mark_oprs_set if we turned the
insn into a NOTE. */
if (! NOTE_P (insn))
insn into a NOTE, or deleted the insn. */
if (! NOTE_P (insn) && ! INSN_DELETED_P (insn))
mark_oprs_set (insn);
}
}