gcc/testsuite/gfortran.dg/matmul_bounds_16.f

   1 C { dg-do  run }
   2 C { dg-options "-fdump-tree-optimized -fcheck=bounds -fblas-matmul-limit=1 -O -fexternal-blas" }
   3 C { dg-shouldfail "Fortran runtime error: Incorrect extent in argument B in MATMUL intrinsic in dimension 1" }
   4 C { dg-additional-sources blas_gemm_routines.f }
   5
   6       program main
   7       character(len=20) :: line
   8       integer :: n, m
   9       real, dimension(3,2) :: a
  10       real, dimension(:,:), allocatable :: b
  11       real, dimension(:,:), allocatable :: ret
  12       a = 1.0
  13       line = '4 3'
  14       read (unit=line,fmt=*) n, m
  15       allocate (b(n,m))
  16       b = 2.3
  17       ret = matmul(transpose(a),b)         ! This should throw an error.
  18       end
  19 ! { dg-output "Fortran runtime error: Incorrect extent in argument B in MATMUL intrinsic in dimension 1.*" }
  20 ! { dg-final { scan-tree-dump-times "_gfortran_matmul" 0 "optimized" } }