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1 ! { dg-do compile }
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2 ! { dg-shouldfail "Invalid use of VOLATILE" }
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3 ! Test whether volatile statements and attributes are
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4 ! properly error checked.
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5 ! PR fortran/29601
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6 program volatile_test
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7 implicit none
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8 real, external, volatile :: foo ! { dg-error "VOLATILE attribute conflicts with EXTERNAL attribute" }
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9 real, intrinsic, volatile :: sin ! { dg-error "VOLATILE attribute conflicts with INTRINSIC attribute" }
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10 real, parameter, volatile :: r = 5.5 ! { dg-error "PARAMETER attribute conflicts with VOLATILE attribute" }
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11 real :: l,m
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12 real,volatile :: n
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13 real, volatile,volatile :: r = 3. ! { dg-error "Duplicate VOLATILE attribute" }
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14 volatile :: l,n ! { dg-warning "Duplicate VOLATILE attribute" }
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15 volatile ! { dg-error "Syntax error in VOLATILE statement" }
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16 volatile :: volatile_test ! { dg-error "PROGRAM attribute conflicts with VOLATILE attribute" }
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17 l = 4.0
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18 m = 3.0
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19 contains
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20 subroutine foo(a) ! { dg-error "has no IMPLICIT type" } ! due to error below
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21 integer, intent(in), volatile :: a ! { dg-error "VOLATILE attribute conflicts with INTENT\\(IN\\)" }
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22 end subroutine
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23 end program volatile_test
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