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This patch cleans up the implementation of routine Get_Simple_Init_Val. It also eliminates potentially large and unnecessary tree replications in the context of object default initialization. No change in behavior, no test needed. 2018-05-22 Hristian Kirtchev <kirtchev@adacore.com> gcc/ada/ * exp_ch3.adb (Build_Array_Init_Proc): Update the call to Needs_Simple_Initialization. (Build_Init_Statements): Update the call to Get_Simple_Init_Val. (Check_Subtype_Bounds): Renamed to Extract_Subtype_Bounds. Update the profile and comment on usage. (Default_Initialize_Object): Do not use New_Copy_Tree to set the proper Sloc of a value obtained from aspect Default_Value because this could potentially replicate large trees. The proper Sloc is now set in Get_Simple_Init_Val. (Get_Simple_Init_Val): Reorganized by breaking the various cases into separate routines. Eliminate the use of global variables. (Init_Component): Update the call to Get_Simple_Init_Val. (Needs_Simple_Initialization): Update the parameter profile and all uses of T. (Simple_Init_Defaulted_Type): Copy the value of aspect Default_Value and set the proper Sloc. * exp_ch3.ads (Get_Simple_Init_Val): Update the parameter profile and comment on usage. (Needs_Simple_Initialization): Update the parameter profile. From-SVN: r260526
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