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+! { dg-do compile }
+! { dg-options "-Wall" }
+program main
+ print *,achar(-3) ! { dg-error "negative" }
+ print *,achar(200) ! { dg-warning "outside of range" }
+ print *,char(222+221) ! { dg-error "too large for the collating sequence" }
+ print *,char(-44) ! { dg-error "negative" }
+ print *,iachar("ü") ! { dg-warning "outside of range" }
+end program main