Fix Fortran DO loop fallback

	* gfortran.dg/ldist-1.f90: Revert change introduces in r238114.
	* gfortran.dg/vect/pr62283.f: Add -fno-ipa-icf to additional
	options.
	* gfortran.dg/pr42108.f90: Update expected dump scan.

From-SVN: r238300

gcc/testsuite/ChangeLog

+2016-07-13  Martin Liska  <mliska@suse.cz>
+
+	* gfortran.dg/ldist-1.f90: Revert change introduces in r238114.
+	* gfortran.dg/vect/pr62283.f: Add -fno-ipa-icf to additional
+	options.
+	* gfortran.dg/pr42108.f90: Update expected dump scan.
+
 2016-07-13  Richard Biener  <rguenther@suse.de>
 
 	PR tree-optimization/24574

gcc/testsuite/gfortran.dg/ldist-1.f90

@@ -32,4 +32,4 @@ end Subroutine PADEC
 ! There are 5 legal partitions in this code.  Based on the data
 ! locality heuristic, this loop should not be split.
 
-! { dg-final { scan-tree-dump "distributed: split to" "ldist" } }
+! { dg-final { scan-tree-dump-not "distributed: split to" "ldist" } }

gcc/testsuite/gfortran.dg/pr42108.f90

@@ -21,7 +21,5 @@ subroutine  eval(foo1,foo2,foo3,foo4,x,n,nnd)
   end do
 end subroutine eval
 
-! We should have hoisted the division
-! { dg-final { scan-tree-dump "in all uses of countm1\[^\n\]* / " "pre" } }
 ! There should be only one load from n left
 ! { dg-final { scan-tree-dump-times "\\*n_" 1 "fre1" } }

gcc/testsuite/gfortran.dg/vect/pr62283.f

 C { dg-do compile }
-C { dg-additional-options "-fvect-cost-model=dynamic" }
+C { dg-additional-options "-fvect-cost-model=dynamic -fno-ipa-icf" }
       subroutine test2(x,y)
       real x(4),y(4)
       beta=3.141593