Add testcases for middle-end/53852 and middle-end/67518

2015-11-06  Joost VandeVondele  <vondele@gnu.gcc.org>

	PR middle-end/53852
	PR middle-end/67518
	* gfortran.dg/PR67518.f90: New test.
	* gfortran.dg/PR53852.f90: New test.

From-SVN: r229839

gcc/testsuite/ChangeLog

+2015-11-06  Joost VandeVondele  <vondele@gnu.gcc.org>
+
+	PR middle-end/53852
+	PR middle-end/67518
+	* gfortran.dg/PR67518.f90: New test.
+	* gfortran.dg/PR53852.f90: New test.
+
 2015-11-05  Cesar Philippidis  <cesar@codesourcery.com>
 	    Tom de Vries  <tom@codesourcery.com>
 	    Nathan Sidwell  <nathan@codesourcery.com>

gcc/testsuite/gfortran.dg/PR53852.f90

+! { dg-do compile }
+! { dg-options "-floop-nest-optimize -O2 -ffast-math" }
+! PR53852 : compile time / memory hog
+SUBROUTINE  build_d_tensor_gks(d5f,v,d5)
+    INTEGER, PARAMETER :: dp=8
+    REAL(KIND=dp),  DIMENSION(3, 3, 3, 3, 3), &
+      INTENT(OUT) :: d5f
+    REAL(KIND=dp), DIMENSION(3), INTENT(IN)  :: v
+    REAL(KIND=dp), INTENT(IN) :: d5
+    INTEGER       :: k1, k2, k3, k4, k5
+    REAL(KIND=dp) :: w
+
+    d5f = 0.0_dp
+    DO k1=1,3
+       DO k2=1,3
+          DO k3=1,3
+             DO k4=1,3
+                DO k5=1,3
+                   d5f(k5,k4,k3,k2,k1)=d5f(k5,k4,k3,k2,k1)+ &
+                          v(k1)*v(k2)*v(k3)*v(k4)*v(k5)*d5
+                ENDDO
+                w=v(k1)*v(k2)*v(k3)*d4
+                d5f(k1,k2,k3,k4,k4)=d5f(k1,k2,k3,k4,k4)+w
+                d5f(k1,k2,k4,k3,k4)=d5f(k1,k2,k4,k3,k4)+w
+                d5f(k1,k4,k2,k3,k4)=d5f(k1,k4,k2,k3,k4)+w
+                d5f(k4,k1,k2,k3,k4)=d5f(k4,k1,k2,k3,k4)+w
+                d5f(k1,k2,k4,k4,k3)=d5f(k1,k2,k4,k4,k3)+w
+                d5f(k1,k4,k2,k4,k3)=d5f(k1,k4,k2,k4,k3)+w
+                d5f(k4,k1,k2,k4,k3)=d5f(k4,k1,k2,k4,k3)+w
+                d5f(k1,k4,k4,k2,k3)=d5f(k1,k4,k4,k2,k3)+w
+                d5f(k4,k1,k4,k2,k3)=d5f(k4,k1,k4,k2,k3)+w
+                d5f(k4,k4,k1,k2,k3)=d5f(k4,k4,k1,k2,k3)+w
+             ENDDO
+          ENDDO
+       ENDDO
+    ENDDO
+END SUBROUTINE build_d_tensor_gks

gcc/testsuite/gfortran.dg/PR67518.f90

+! { dg-do compile }
+! { dg-options "-floop-nest-optimize -O2 -ffast-math" }
+! PR67518 :  isl: position out of bounds
+MODULE ao_util
+    INTEGER, PARAMETER :: dp=8
+CONTAINS
+  FUNCTION exp_radius(l,alpha,threshold,prefactor,epsin) RESULT(radius)
+    REAL(KIND=dp), INTENT(IN)                :: alpha, threshold, prefactor
+    REAL(KIND=dp), INTENT(IN), OPTIONAL      :: epsin
+    DO
+       IF (iter.gt.maxiter) THEN
+          CALL stop_program(routineN,moduleN,1,"exceeded")
+       ENDIF
+    ENDDO
+    CALL stop_program(routineN,moduleN,1,"exceeded")
+  END FUNCTION exp_radius
+ FUNCTION exp_radius_very_extended(la_min,la_max,lb_min,lb_max,pab,o1,o2,ra,rb,rp,&
+                          zetp,eps,prefactor,cutoff,epsin) RESULT(radius)
+    REAL(KIND=dp), DIMENSION(:, :), &
+      OPTIONAL, POINTER                      :: pab
+    REAL(KIND=dp), INTENT(IN)                :: ra(3), rb(3), rp(3), zetp, &
+                                                eps, prefactor, cutoff
+    REAL(KIND=dp)                            :: bini, binj, coef(0:20), &
+                                                epsin_local, polycoef(0:60), &
+                                                rad_b, s1, s2
+    IF (PRESENT(pab)) THEN
+    ENDIF
+    DO lxa=0,la_max
+    DO lxb=0,lb_max
+       coef(0:la_max+lb_max)=0.0_dp
+       DO i=0,lxa
+          DO j=0,lxb
+             coef(lxa+lxb-i-j)=coef(lxa+lxb-i-j) + bini*binj*s1*s2
+          ENDDO
+       ENDDO
+       DO i=0,lxa+lxb
+          polycoef(i)=MAX(polycoef(i),coef(i))
+       ENDDO
+    ENDDO
+    ENDDO
+    DO i=0,la_max+lb_max
+          radius=MAX(radius,exp_radius(i,zetp,eps,polycoef(i),epsin_local) )
+    ENDDO
+  END FUNCTION exp_radius_very_extended
+END MODULE ao_util