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author	Jan Hubicka <jh@suse.cz>
	Tue, 12 Mar 2013 12:13:33 +0000 (13:13 +0100)
committer	Jan Hubicka <hubicka@gcc.gnu.org>
	Tue, 12 Mar 2013 12:13:33 +0000 (12:13 +0000)
commit	c5c5ba89acc96e48bf6eed87489fcda3efcd7fc3
tree	30e6ccc292873e9eb78fa8523acc6926a4f44121	tree \| snapshot
parent	f22e3c85d7529038e1e5621ae1187453d6fef2f6	commit \| diff

re PR rtl-optimization/56571 (ICE in copyprop_hardreg_forward_1, at regcprop.c (insn does not satisfy its constraints !))

PR middle-end/56571
* valtrack.c (cleanup_auto_inc_dec): Unshare clobbers originating
from pseudos.
* emit-rtl.c (verify_rtx_sharing): Likewise.
(copy_insn_1): Likewise.
* rtl.c (copy_rtx): Likewise.
PR middle-end/56571
* gcc.c-torture/compile/pr56571.c: New testcase.

From-SVN: r196612

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/emit-rtl.c		diff \| blob \| blame \| history
gcc/rtl.c		diff \| blob \| blame \| history
gcc/testsuite/ChangeLog		diff \| blob \| blame \| history
gcc/testsuite/gcc.c-torture/compile/pr56571.c	[new file with mode: 0644]	blob
gcc/valtrack.c		diff \| blob \| blame \| history

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