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authorPaul Thomas <pault@gcc.gnu.org>2007-08-18 10:47:58 +0000
committerPaul Thomas <pault@gcc.gnu.org>2007-08-18 10:47:58 +0000
commita595913e95d59f64670364c3dea31a4774c960f3 (patch)
tree0b6bac623a9a3068f4d3c207d395d5bdb5dce707 /gcc
parent58fbb917c900243b8d3831e70f607ee12db54cbf (diff)
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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/ChangeLog6
-rw-r--r--gcc/fortran/expr.c3
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gfortran.dg/pure_initializer_1.f9017
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
+