There is no point in validating 'Alignment or 'Size of an entity
declared in a generic unit after the back-end has been run, since such
an entity is not passed to the back-end, and this can even lead to an
assertion failure.
2018-11-14 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_prag.adb (Process_Compile_Time_Warning_Or_Error): Don't
register a compile-time warning or error for 'Alignment or 'Size
of an entity declared in a generic unit.
gcc/testsuite/
* gnat.dg/compile_time_error1.adb,
gnat.dg/compile_time_error1.ads,
gnat.dg/compile_time_error1_pkg.ads: New testcase.
From-SVN: r266127
