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! { dg-do run }
! { dg-options "-fdec-structure -finit-derived -finit-local-zero" }
!
! Test a UNION with explicit initialization and -finit-derived.
!
subroutine sub
structure /s2/
integer(4) :: i = 8
union ! U7
map
integer(4) :: x = 1600
integer(4) :: y = 1800
end map
map
integer(2) a, b, c, d, e, f, g, h
end map
end union
end structure
record /s2/ r2
! Initialized unions
if ( r2.i .ne. 8 ) then
print *, 'structure init'
STOP 1
endif
! Explicit initializations
if ( r2.x .ne. 1600 .or. r2.y .ne. 1800) then
r2.x = r2.y
print *, 'union explicit init'
STOP 2
endif
! Initialization from -finit-derived
if ( r2.h .ne. 0 ) then
r2.h = 135
print *, 'union default init'
STOP 3
endif
end subroutine
! Initialization expressions
structure /s3/
integer(4) :: i = 8
union ! U7
map
integer(4) :: x = 1600
integer(4) :: y = 1800
end map
map
integer(2) a, b, c, d, e
end map
end union
end structure
record /s3/ r3
! Initialized unions
if ( r3.i .ne. 8 ) then
print *, 'structure init'
STOP 4
endif
! Explicit initializations
if ( r3.x .ne. 1600 .or. r3.y .ne. 1800) then
r3.x = r3.y
print *, 'union explicit init'
STOP 5
endif
! Initialization from -finit-derived
if ( r3.e .ne. 0 ) then
r3.e = 135
print *, 'union default init'
STOP 6
endif
end
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