http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45742
--- Comment #9 from Tobias Burnus <burnus at gcc dot gnu.org> 2010-11-13 00:25:13 UTC --- Test case: --- /dev/null +++ b/gcc/testsuite/gfortran.dg/volatile12.f90 @@ -0,0 +1,16 @@ +! { dg-do compile } +! { dg-options "-fdump-tree-optimized -O3" } +! +! PR fortran/45742 +! + +subroutine sub(arg) + integer, volatile :: arg + if (arg /= arg) call I_dont_exist() +end + +! { dg-final { scan-tree-dump "integer.kind=.. . volatile arg" "optimized" } } +! { dg-final { scan-tree-dump-times " =.v. arg;" 2 "optimized" } } +! { dg-final { scan-tree-dump "i_dont_exist" "optimized" } } +! { dg-final { cleanup-tree-dump "original" } }