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+! PR15620
+! Check that evaluating a statement function doesn't affect the value of
+! its dummy argument variables.
+program st_function_2
+ integer fn, a, b
+ fn(a, b) = a + b
+ if (foo(1) .ne. 43) call abort
+
+ ! Check that values aren't modified when avaluating the arguments.
+ a = 1
+ b = 5
+ if (fn (b + 2, a + 3) .ne. 11) call abort
+contains
+function foo (x)
+ integer z, y, foo, x
+ bar(z) = z*z
+ z = 42
+ t = bar(x)
+ foo = t + z
+end function
+end program