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The function maybe_resimplify_conditional_op uses operation_could_trap_p to check if the resulting operation of a simplification can trap. Because of the changes introduced by revision r276659, this results in an ICE due to a violated assertion in operation_could_trap_p if the operation is a COND_EXPR or a VEC_COND_EXPR. The changes have allowed those expressions to trap and whether they do cannot be determined without considering their condition which is not available to operation_could_trap_p. Change maybe_resimplify_conditional_op to inspect the condition of COND_EXPRs and VEC_COND_EXPRs to determine if they can trap. From-SVN: r278853
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