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+! PR 32160, complex temporary variables were not marked as gimple registers
+! { dg-do compile }
+! { dg-options "-O3" }
+
+ REAL FUNCTION CLANHT( N, E )
+ INTEGER N
+ COMPLEX E( * )
+ INTEGER I
+ REAL ANORM
+ INTRINSIC ABS
+ DO 20 I = 1, N
+ ANORM = ANORM +ABS( E( I ) )+ ABS( E( I-1 ) )
+ 20 CONTINUE
+ CLANHT = ANORM
+ RETURN
+ END