r196612 - in /trunk/gcc: ChangeLog emit-rtl.c r...

[hubicka@gcc.gnu.org]

Author: hubicka
Date: Tue Mar 12 12:13:33 2013
New Revision: 196612

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196612
Log:
	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.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr56571.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/emit-rtl.c
    trunk/gcc/rtl.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/valtrack.c