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author | Paul Thomas <pault@gcc.gnu.org> | 2007-08-18 10:47:58 +0000 |
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committer | Paul Thomas <pault@gcc.gnu.org> | 2007-08-18 10:47:58 +0000 |
commit | a595913e95d59f64670364c3dea31a4774c960f3 (patch) | |
tree | 0b6bac623a9a3068f4d3c207d395d5bdb5dce707 /gcc | |
parent | 58fbb917c900243b8d3831e70f607ee12db54cbf (diff) | |
download | gcc-a595913e95d59f64670364c3dea31a4774c960f3.zip gcc-a595913e95d59f64670364c3dea31a4774c960f3.tar.gz gcc-a595913e95d59f64670364c3dea31a4774c960f3.tar.bz2 |
re PR fortran/32881 (PURE attribute escapes from contained procedure)
2007-08-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/32881
* expr.c (gfc_check_pointer_assign): If the rhs is the
initialization expression for the rhs, there is no error.
2007-08-18 Paul Thomas <pault@gcc.gnu.org>
PR fortran/32881
* gfortran.dg/pure_initializer_1.f90: New test.
From-SVN: r127611
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/fortran/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/fortran/expr.c | 3 | ||||
-rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
-rw-r--r-- | gcc/testsuite/gfortran.dg/pure_initializer_1.f90 | 17 |
4 files changed, 30 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 4103e25..f0fa1f4 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,5 +1,11 @@ 2007-08-18 Paul Thomas <pault@gcc.gnu.org> + PR fortran/32881 + * expr.c (gfc_check_pointer_assign): If the rhs is the + initialization expression for the rhs, there is no error. + +2007-08-18 Paul Thomas <pault@gcc.gnu.org> + PR fortran/32875 * trans-array.c (get_array_ctor_strlen): Set the character length of a zero length array to zero. diff --git a/gcc/fortran/expr.c b/gcc/fortran/expr.c index f0de19f..8c44028 100644 --- a/gcc/fortran/expr.c +++ b/gcc/fortran/expr.c @@ -2749,7 +2749,8 @@ gfc_check_pointer_assign (gfc_expr *lvalue, gfc_expr *rvalue) is_pure = gfc_pure (NULL); - if (is_pure && gfc_impure_variable (lvalue->symtree->n.sym)) + if (is_pure && gfc_impure_variable (lvalue->symtree->n.sym) + && lvalue->symtree->n.sym->value != rvalue) { gfc_error ("Bad pointer object in PURE procedure at %L", &lvalue->where); return FAILURE; diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 3c01d60..992a1a0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2007-08-18 Paul Thomas <pault@gcc.gnu.org> + PR fortran/32881 + * gfortran.dg/pure_initializer_1.f90: New test. + +2007-08-18 Paul Thomas <pault@gcc.gnu.org> + PR fortran/32875 * gfortran.dg/array_constructor_18.f90: New test. diff --git a/gcc/testsuite/gfortran.dg/pure_initializer_1.f90 b/gcc/testsuite/gfortran.dg/pure_initializer_1.f90 new file mode 100644 index 0000000..6f521a0 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pure_initializer_1.f90 @@ -0,0 +1,17 @@ +! { dg-do compile } +! Tests the fix for PR32881, in which the initialization +! of 'p' generated an error because the pureness of 'bar' +! escaped. +! +! Contributed by Janne Blomqvist <jb@gcc.gnu.org> +! +subroutine foo () + integer, pointer :: p => NULL() +contains + pure function bar (a) + integer, intent(in) :: a + integer :: bar + bar = a + end function bar +end subroutine foo + |