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re PR fortran/44350 (accepts illegal fortran in BLOCK DATA)

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2013-10-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/44350
        * parse.c (parse_spec): Add C1116 constraint
        check for BLOCK DATA.

2013-10-29  Tobias Burnus  <burnus@net-b.de>

        PR fortran/44350
        * gfortran.dg/blockdata_8.f90: New.

From-SVN: r204185
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Tobias Burnus 2013-10-29 22:48:02 +01:00 • committed by Tobias Burnus
parent c8c0f5577d
commit 9efc08268f
4 changed files with 86 additions and 0 deletions
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6
gcc/fortran/ChangeLog
View file

@ -1,3 +1,9 @@
2013-10-29 Tobias Burnus <burnus@net-b.de>
PR fortran/44350
* parse.c (parse_spec): Add C1116 constraint
check for BLOCK DATA.
2013-10-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/58793

27
gcc/fortran/parse.c
View file

@ -2628,6 +2628,33 @@ loop:
default:
break;
}
else if (gfc_current_state () == COMP_BLOCK_DATA)
/* Fortran 2008, C1116. */
switch (st)
{
case ST_DATA_DECL:
case ST_COMMON:
case ST_DATA:
case ST_TYPE:
case ST_END_BLOCK_DATA:
case ST_ATTR_DECL:
case ST_EQUIVALENCE:
case ST_PARAMETER:
case ST_IMPLICIT:
case ST_IMPLICIT_NONE:
case ST_DERIVED_DECL:
case ST_USE:
break;
case ST_NONE:
break;
default:
gfc_error ("%s statement is not allowed inside of BLOCK DATA at %C",
gfc_ascii_statement (st));
reject_statement ();
break;
}
/* If we find a statement that can not be followed by an IMPLICIT statement
(and thus we can expect to see none any further), type the function result

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2013-10-29 Tobias Burnus <burnus@net-b.de>
PR fortran/44350
* gfortran.dg/blockdata_8.f90: New.
2013-10-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/58793

48
gcc/testsuite/gfortran.dg/blockdata_8.f90 Normal file
View file

@ -0,0 +1,48 @@
! { dg-do compile }
!
! PR fortran/44350
!
! Fortran 2008, C1116 only permits a small subset of statements in BLOCK DATA
!
! Part of the test case was contributed by Vittorio Zecca
!
module m
end module m
BLOCK DATA valid2
use m
implicit integer(a-z)
intrinsic :: sin
common /one/ a, c
bind(C) :: /one/
dimension c(5)
parameter (g = 7)
END BLOCK DATA valid2
BLOCK DATA valid
use m
implicit none
type t
sequence
end type t
type(t), save :: x
integer :: y
real :: q
save :: y
dimension :: q(5)
! class(*) :: zz ! See PR fortran/58857
! pointer :: zz
target :: q
volatile y
asynchronous q
END BLOCK DATA valid
block data invalid
common x
f(x)=x ! { dg-error "STATEMENT FUNCTION statement is not allowed inside of BLOCK DATA" }
interface ! { dg-error "INTERFACE statement is not allowed inside of BLOCK DATA" }
end interface
1 format() ! { dg-error "FORMAT statement is not allowed inside of BLOCK DATA" }
end block invalid ! { dg-error "Expecting END BLOCK DATA statement" }
! { dg-error "Unexpected end of file" "" { target "*-*-*" } 0 }