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r110794 - in /trunk/gcc: ChangeLog testsuite/Ch...


Author: dnovillo
Date: Thu Feb  9 12:38:35 2006
New Revision: 110794

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=110794
Log:

	PR 26180
	* tree-vrp.c (vrp_int_const_binop): Detect overflow when
	multiplying unsigned values.
	Tidy comments.

testsuite

	PR 26180
	* gcc.dg/tree-ssa/pr26180.c: New test.


Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr26180.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-vrp.c


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