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# { dg-options "-fstropping=upper" } #
# Dereferencing of struct fields. #
BEGIN MODE S = STRUCT (REF INT x, REF REF INT xx, REF REF REF INT xxx);
INT x := 10;
REF INT xx := x;
REF REF INT xxx := xx;
S s = (x, xx, xxx);
ASSERT (x OF s = 10);
ASSERT (xx OF s = 10);
ASSERT (xxx OF s = 10);
ASSERT ((x) = 10);
ASSERT ((xx) = 10);
ASSERT ((xxx) = 10);
ASSERT (x OF s + 1 = 11);
ASSERT (xx OF s + 1 = 11);
ASSERT (xxx OF s + 1 = 11);
ASSERT ((x OF s + 1) = 11);
ASSERT ((xx OF s + 1) = 11);
ASSERT ((xxx OF s + 1) = 11);
ASSERT ((x OF s := x) = 10);
ASSERT ((xx OF s := x) = 10);
ASSERT ((xxx OF s := xx) = 10);
ASSERT ((x OF s := x) + 1 = 11);
ASSERT ((xx OF s := x) + 1 = 11);
ASSERT ((xxx OF s := xx) + 1 = 11);
x OF s := 20;
ASSERT (x OF s = 20);
ASSERT (xx OF s = 20);
ASSERT (xxx OF s = 20);
ASSERT ((x) = 20);
ASSERT ((xx) = 20);
ASSERT ((xxx) = 20);
ASSERT (x OF s + 1 = 21);
ASSERT (xx OF s + 1 = 21);
ASSERT (xxx OF s + 1 = 21);
ASSERT ((x OF s + 1) = 21);
ASSERT ((xx OF s + 1) = 21);
ASSERT ((xxx OF s + 1) = 21);
ASSERT ((x OF s := x) = 20);
ASSERT ((xx OF s := x) = 20);
ASSERT ((xxx OF s := xx) = 20);
ASSERT ((x OF s := x) + 1 = 21);
ASSERT ((xx OF s := x) + 1 = 21);
ASSERT ((xxx OF s := xx) + 1 = 21)
END
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