[4.9] Switch gcc-4.9 to use google/gcc-4_9 branch.

This source drop uses svn version r212828 of google/gcc-4.9 branch.
We also cherry-picked r213062, r213063 and r213064 to fix windows
build issues.
All gcc-4.9 patches before July 3rd are ported to google/gcc-4.9.
The following prior commits has not been merged to google branch yet.
(They are included in this commit).
e7af147f979e657fe2df00808e5b4319b0e088c6,
baf87df3cb2683649ba7e9872362a7e721117c23, and
c231900e5dcc14d8296bd9f62b45997a49d4d5e7.

Change-Id: I4bea3ea470387ff751c2be4cb0d4a12059b9299b

1 files changed, 59 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gfortran.dg/allocatable_function_8.f90 b/gcc-4.9/gcc/testsuite/gfortran.dg/allocatable_function_8.f90
new file mode 100644
index 000000000..48f6dd216
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gfortran.dg/allocatable_function_8.f90
@@ -0,0 +1,59 @@
+! { dg-do run }
+! Test the fix for PR61459 and PR58883.
+!
+! Contributed by John Wingate  <johnww@tds.net>
+!             and Tao Song  <songtao.thu@gmail.com>
+!
+module a
+
+   implicit none
+   private
+   public :: f_segfault, f_segfault_plus, f_workaround
+   integer, dimension(2,2) :: b = reshape([1,-1,1,1],[2,2])
+
+contains
+
+   function f_segfault(x)
+      real, dimension(:), allocatable :: f_segfault
+      real, dimension(:), intent(in)  :: x
+      allocate(f_segfault(2))
+      f_segfault = matmul(b,x)
+   end function f_segfault
+
+! Sefaulted without the ALLOCATE as well.
+   function f_segfault_plus(x)
+      real, dimension(:), allocatable :: f_segfault_plus
+      real, dimension(:), intent(in)  :: x
+      f_segfault_plus = matmul(b,x)
+   end function f_segfault_plus
+
+   function f_workaround(x)
+      real, dimension(:), allocatable :: f_workaround
+      real, dimension(:), intent(in)  :: x
+      real, dimension(:), allocatable :: tmp
+      allocate(f_workaround(2),tmp(2))
+      tmp = matmul(b,x)
+      f_workaround = tmp
+   end function f_workaround
+
+end module a
+
+program main
+   use a
+   implicit none
+   real, dimension(2) :: x = 1.0, y
+! PR61459
+   y = f_workaround (x)
+   if (any (f_segfault (x) .ne. y)) call abort
+   if (any (f_segfault_plus (x) .ne. y)) call abort
+! PR58883
+   if (any (foo () .ne. reshape([1,2,3,4,5,6,7,8],[2,4]))) call abort
+contains
+  function foo()
+    integer, allocatable  :: foo(:,:)
+    integer, allocatable  :: temp(:)
+
+    temp = [1,2,3,4,5,6,7,8]
+    foo = reshape(temp,[2,4])
+  end function
+end program main