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author	Jakub Jelinek <jakub@redhat.com>
	Mon, 13 Aug 2012 12:39:54 +0000 (14:39 +0200)
committer	Jakub Jelinek <jakub@gcc.gnu.org>
	Mon, 13 Aug 2012 12:39:54 +0000 (14:39 +0200)
commit	eb87c7c4890b87d5f228b9261c2e3b3a5b81acd7
tree	ad4832638401fe5e5c7f1ec4cd85012761658f24	tree
parent	6a9573cc7b1d527e61f4ef7900c0a1c21203e24a	commit \| diff

re PR c/53968 (integer undefined behaviors in GCC)

PR c/53968
* tree.c (integer_pow2p): Avoid undefined signed overflows.
* simplify-rtx.c (neg_const_int): Likewise.
* expr.c (fixup_args_size_notes): Likewise.
* stor-layout.c (set_min_and_max_values_for_integral_type): Likewise.
* double-int.c (mul_double_wide_with_sign): Likewise.
(double_int_mask): Likewise.
* tree-ssa-loop-ivopts.c (get_address_cost): Likewise.

From-SVN: r190342

gcc/ChangeLog		diff \| blob \| blame \| history
gcc/double-int.c		diff \| blob \| blame \| history
gcc/expr.c		diff \| blob \| blame \| history
gcc/simplify-rtx.c		diff \| blob \| blame \| history
gcc/stor-layout.c		diff \| blob \| blame \| history
gcc/tree-ssa-loop-ivopts.c		diff \| blob \| blame \| history
gcc/tree.c		diff \| blob \| blame \| history

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