+2007-10-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * decl.c (duplicate_decls): Preserve linkage flags for mere
+ redeclarations of gnu_inline definitions.
+
2007-10-03 Jason Merrill <jason@redhat.com>
PR c++/15764
new_template = NULL_TREE;
if (DECL_LANG_SPECIFIC (newdecl) && DECL_LANG_SPECIFIC (olddecl))
{
- bool old_decl_gnu_inline;
+ bool new_redefines_gnu_inline = false;
- if ((DECL_INTERFACE_KNOWN (olddecl)
- && TREE_CODE (olddecl) == FUNCTION_DECL)
- || (TREE_CODE (olddecl) == TEMPLATE_DECL
- && TREE_CODE (DECL_TEMPLATE_RESULT (olddecl)) == FUNCTION_DECL))
+ if (new_defines_function
+ && ((DECL_INTERFACE_KNOWN (olddecl)
+ && TREE_CODE (olddecl) == FUNCTION_DECL)
+ || (TREE_CODE (olddecl) == TEMPLATE_DECL
+ && (TREE_CODE (DECL_TEMPLATE_RESULT (olddecl))
+ == FUNCTION_DECL))))
{
tree fn = olddecl;
if (TREE_CODE (fn) == TEMPLATE_DECL)
fn = DECL_TEMPLATE_RESULT (olddecl);
- old_decl_gnu_inline = GNU_INLINE_P (fn) && DECL_INITIAL (fn);
+ new_redefines_gnu_inline = GNU_INLINE_P (fn) && DECL_INITIAL (fn);
}
- else
- old_decl_gnu_inline = false;
- if (!old_decl_gnu_inline)
+ if (!new_redefines_gnu_inline)
{
DECL_INTERFACE_KNOWN (newdecl) |= DECL_INTERFACE_KNOWN (olddecl);
DECL_NOT_REALLY_EXTERN (newdecl) |= DECL_NOT_REALLY_EXTERN (olddecl);
--- /dev/null
+/* Test __attribute__((gnu_inline)).
+
+ Check that we don't get out-of-line definitions for extern inline
+ gnu_inline functions, regardless of redeclaration.
+
+ */
+
+/* { dg-do link } */
+/* { dg-options "-O" } */ // such that static functions are optimized out
+
+#include "gnu-inline-common.h"
+
+decl(extern, fn)
+gnuindef(fn, 0)
+decl(extern, fn)
+
+int main () {
+ fn ();
+}
}
-/* Create an expression entry fora replaceable expression. */
+/* Create an expression entry for a replaceable expression. */
static void
process_replaceable (temp_expr_table_p tab, tree stmt)