gcc/
2012-08-03 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/30318
* double-int.c (mul_double_wide_with_sign): New function.
(mul_double_with_sign): Call the new function.
* double-int.h (mul_double_wide_with_sign): Declare the new function.
* tree-vrp.c (extract_range_from_binary_expr_1) [MULT_EXPR]:
Handle integer types that wrap on overflow.
(quad_int_cmp): New helper function.
(quad_int_pair_sort): Likewise.
gcc/testsuite/
2012-08-03 Marc Glisse <marc.glisse@inria.fr>
PR tree-optimization/30318
* gcc.dg/tree-ssa/vrp77.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@190125
138bc75d-0d04-0410-961f-
82ee72b054a4