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! { dg-do run }
! { dg-options "-ffrontend-optimize -fdump-tree-optimized" }
! PR 66041 - this used to ICE with an incomplete fix for the PR.
program main
implicit none
type :: t
real :: c
end type t
type(t), dimension(1,-2:0) :: a1
real, dimension(3,2) :: b1
real, dimension(2) :: c1
real, dimension(1,2) :: c2
data a1%c /17., -23., 29./
data b1 / 2., -3., 5., -7., 11., -13./
c1 = matmul(a1(1,:)%c, b1)
if (any (c1-[248., -749.] /= 0.)) STOP 1
c2 = matmul(a1%c, b1)
if (any (c2-reshape([248., -749.],shape(c2)) /= 0.)) STOP 2
end program main
! { dg-final { scan-tree-dump-times "_gfortran_matmul" 0 "optimized" } }
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