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/* { dg-do compile } */ /* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */ int main () { int a = 3; int b = 2; while (b) { a *= 4; b *= a; } } /* a -> {3, *, 4}_1 b -> {{2, *, 12}_1, *, 4}_1 */ /* FIXME. */