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Create a separate routine in Exp_Util for deciding the value of the Constrained attribute when it is statically known. This routine is used in Exp_Attr and will be reused in the backend of GNATprove. There is no impact on compilation and hence no test. 2019-09-18 Claire Dross <dross@adacore.com> gcc/ada/ * exp_attr.adb (Expand_N_Attribute_Reference): Call routine from Exp_Util to know the value of the Constrained attribute in the static case. * exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Make implicit dereferences inside the Constrained attribute explicit. * exp_util.ads, exp_util.adb (Attribute_Constrained_Static_Value): New routine to compute the value of a statically known reference to the Constrained attribute. From-SVN: r275848
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