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-rw-r--r--gcc/fortran/ChangeLog9
-rw-r--r--gcc/fortran/resolve.c13
-rw-r--r--gcc/fortran/trans-decl.c2
3 files changed, 23 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 0965b00..bb4c22d4 100644
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,5 +1,14 @@
2012-05-04 Tobias Burnus <burnus@net-b.de>
+ PR fortran/53175
+ * resolve.c (resolve_variable): Set public_used
+ if a private module variable is used in a (public)
+ specification expression.
+ * trans-decl.c (gfc_finish_var_decl): Mark those
+ TREE_PUBLIC.
+
+2012-05-04 Tobias Burnus <burnus@net-b.de>
+
PR fortran/53111
* resolve.c (resolve_fl_derived): Fix -std=f95
diagnostic for generic vs. DT names.
diff --git a/gcc/fortran/resolve.c b/gcc/fortran/resolve.c
index 411ebb5..e15d6e1 100644
--- a/gcc/fortran/resolve.c
+++ b/gcc/fortran/resolve.c
@@ -5124,6 +5124,19 @@ resolve_variable (gfc_expr *e)
if (check_assumed_size_reference (sym, e))
return FAILURE;
+ /* If a PRIVATE variable is used in the specification expression of the
+ result variable, it might be accessed from outside the module and can
+ thus not be TREE_PUBLIC() = 0.
+ TODO: sym->attr.public_used only has to be set for the result variable's
+ type-parameter expression and not for dummies or automatic variables.
+ Additionally, it only has to be set if the function is either PUBLIC or
+ used in a generic interface or TBP; unfortunately,
+ proc_name->attr.public_used can get set at a later stage. */
+ if (specification_expr && sym->attr.access == ACCESS_PRIVATE
+ && !sym->attr.function && !sym->attr.use_assoc
+ && gfc_current_ns->proc_name && gfc_current_ns->proc_name->attr.function)
+ sym->attr.public_used = 1;
+
/* Deal with forward references to entries during resolve_code, to
satisfy, at least partially, 12.5.2.5. */
if (gfc_current_ns->entries
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index d6c090e..9196f0a 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -565,7 +565,7 @@ gfc_finish_var_decl (tree decl, gfc_symbol * sym)
/* TODO: Don't set sym->module for result or dummy variables. */
gcc_assert (current_function_decl == NULL_TREE || sym->result == sym);
/* This is the declaration of a module variable. */
- if (sym->attr.access != ACCESS_PRIVATE)
+ if (sym->attr.access != ACCESS_PRIVATE || sym->attr.public_used)
TREE_PUBLIC (decl) = 1;
TREE_STATIC (decl) = 1;
}