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r123778 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: rguenth
Date: Fri Apr 13 10:21:22 2007
New Revision: 123778

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=123778
Log:
2007-04-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/21258
	* tree-vrp.c (compare_case_labels): New helper.
	(find_switch_asserts): New function.
	(find_assert_locations): Call it for SWITCH_EXPRs.

	* gcc.dg/tree-ssa/vrp34.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp34.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c


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