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[Bug fortran/52893] New: [4.7/4.8 Regression] Moving functions out of implied DO loops
- From: "tkoenig at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 06 Apr 2012 19:19:44 +0000
- Subject: [Bug fortran/52893] New: [4.7/4.8 Regression] Moving functions out of implied DO loops
- Auto-submitted: auto-generated
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52893
Bug #: 52893
Summary: [4.7/4.8 Regression] Moving functions out of implied
DO loops
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Keywords: wrong-code
Severity: normal
Priority: P3
Component: fortran
AssignedTo: tkoenig@gcc.gnu.org
ReportedBy: tkoenig@gcc.gnu.org
The following aborts with -ffrontend-optimize:
program test
integer, parameter :: N = 4
integer, parameter :: dp=kind(1.d0)
real(kind=dp), parameter :: pi=4*atan(1._dp)
real(kind=dp), parameter :: eps = 1.e-14_dp
real(kind=dp) :: h1(0:N-1), h2(0:N-1)
integer i
i = 1
h1 = [(cos(2*pi*mod(i*k,N)/N),k=0,N/2), &
& (sin(2*pi*mod(i*k,N)/N),k=1,N/2-1)]
h2 = (/ 1._dp, 0._dp, -1._dp, 1._dp /)
if (any(abs(h1 - h2) > eps)) call abort
end program test