1! { dg-do compile } 2! { dg-options "-O3 -ffast-math -fdump-tree-optimized" } 3 4! Make sure that FRE does not replace c with b in d = c - 5 5 6function test(a) 7 real a, b, c, d 8 b = a + 5. 9 c = (a + 5.) 10 d = c - 5. 11 call foo(b) 12 test = d 13end 14 15! { dg-final { scan-tree-dump "- 5" "optimized" } } 16