obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 47 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/matmul_9.f90 b/gcc/testsuite/gfortran.dg/matmul_9.f90
new file mode 100644
index 000000000..bf2a299c8
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/matmul_9.f90
@@ -0,0 +1,47 @@
+! { dg-do run }
+! { dg-options "-fdump-tree-original" }
+!
+! PR fortran/56318
+!
+! Contributed by Alberto Luaces
+!
+SUBROUTINE mass_matrix        
+  DOUBLE PRECISION,PARAMETER::m1=1.d0
+  DOUBLE PRECISION,DIMENSION(3,2),PARAMETER::A1=reshape([1.d0,0.d0, 0.d0, &
+       0.d0,1.d0, 0.d0],[3,2])
+  DOUBLE PRECISION,DIMENSION(2,2),PARAMETER::Mel=reshape([1.d0/3.d0, 0.d0, &
+       0.d0, 1.d0/3.d0],[2,2])
+
+  DOUBLE PRECISION,DIMENSION(3,3)::MM1
+
+  MM1=m1*matmul(A1,matmul(Mel,transpose(A1)))
+  !print '(3f8.3)', MM1
+  if (any (abs (MM1 &
+                - reshape ([1.d0/3.d0, 0.d0,      0.d0,  &
+                            0.d0,      1.d0/3.d0, 0.d0,  &
+                            0.d0,      0.d0,      0.d0], &
+                           [3,3])) > epsilon(1.0d0))) &
+    call abort ()
+END SUBROUTINE mass_matrix
+
+program name
+  implicit none
+  integer, parameter :: A(3,2) = reshape([1,2,3,4,5,6],[3,2])
+  integer, parameter :: B(2,3) = reshape([3,17,23,31,43,71],[2,3])
+  integer, parameter :: C(3)   = [-5,-7,-21]
+  integer, parameter :: m1 = 1
+
+!  print *, matmul(B,C)
+   if (any (matmul(B,C) /= [-1079, -1793])) call abort()
+!  print *, matmul(C,A)
+   if (any (matmul(C,A) /= [-82, -181])) call abort()
+!  print '(3i5)', m1*matmul(A,B)
+  if (any (m1*matmul(A,B) /= reshape([71,91,111, 147,201,255, 327,441,555],&
+                                     [3,3]))) &
+     call abort()
+  call mass_matrix
+end program name
+
+! { dg-final { scan-tree-dump-times "matmul" 0 "original" } }
+! { dg-final { cleanup-tree-dump "original" } }
+