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The frontend reports an error under ZFP when performing the type conversion of a tagged object to one of its covered interface types. 2018-09-26 Javier Miranda <miranda@adacore.com> gcc/ada/ * exp_disp.adb (Expand_Interface_Conversion): No displacement of the pointer needed when the type of the operand is an interface type that maches the target type and we are compiling under configurable runtime. Adding also documentation explaining why this cannot be done when compiling with the full runtime. * exp_intr.adb: Update comment. gcc/testsuite/ * gnat.dg/interface8.adb, gnat.dg/interface8.ads: New testcase. From-SVN: r264628
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