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r124120 - in /trunk/gcc: ChangeLog doc/invoke.t...


Author: ian
Date: Tue Apr 24 21:44:45 2007
New Revision: 124120

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=124120
Log:
./:
	PR tree-optimization/31602
	* tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
	conditionals in the copied loop header.
	* tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
	warnings if TREE_NO_WARNING is set.
	* doc/invoke.texi (Warning Options): Clarify that
	-Wstrict-overflow does not warn about loops.
testsuite/:
	PR tree-optimization/31602
	* gcc.dg/Wstrict-overflow-11.c: We no longer issue a warning.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/doc/invoke.texi
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/Wstrict-overflow-11.c
    trunk/gcc/tree-cfg.c
    trunk/gcc/tree-ssa-loop-ch.c


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