* c-common.c (handle_used_attribute): Accept static data too.
* gcc.dg/attr-invalid.c: Allow __used__ on static data.
* gcc.dg/attr-used-2.c: New.
From-SVN: r63082
-003-02-18 Nick Clifton <nickc@redhat.com>
+2003-02-18 Richard Henderson <rth@redhat.com>
+
+ * c-common.c (handle_used_attribute): Accept static data too.
+
+2003-02-18 Nick Clifton <nickc@redhat.com>
Aldy Hernandez <aldyh@redhat.com>
* testsuite/gcc.dg/20030218-1.c: New.
struct attribute_spec.handler. */
static tree
-handle_used_attribute (node, name, args, flags, no_add_attrs)
- tree *node;
+handle_used_attribute (pnode, name, args, flags, no_add_attrs)
+ tree *pnode;
tree name;
tree args ATTRIBUTE_UNUSED;
int flags ATTRIBUTE_UNUSED;
bool *no_add_attrs;
{
- if (TREE_CODE (*node) == FUNCTION_DECL)
- TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (*node))
- = TREE_USED (*node) = 1;
+ tree node = *pnode;
+
+ if (TREE_CODE (node) == FUNCTION_DECL
+ || (TREE_CODE (node) == VAR_DECL && TREE_STATIC (node)))
+ TREE_SYMBOL_REFERENCED (DECL_ASSEMBLER_NAME (node))
+ = TREE_USED (node) = 1;
else
{
warning ("`%s' attribute ignored", IDENTIFIER_POINTER (name));
+2003-02-18 Richard Henderson <rth@redhat.com>
+
+ * gcc.dg/attr-invalid.c: Allow __used__ on static data.
+ * gcc.dg/attr-used-2.c: New.
+
2003-02-18 Mark Mitchell <mark@codesourcery.com>
PR c++/9704
char dummy ATTR; /* { dg-warning "attribute ignored" "" } */
} ATTR; /* { dg-warning "does not apply to types" "" } */
-int ATSYM(var) ATTR; /* { dg-warning "attribute ignored" "" } */
+int ATSYM(var) ATTR;
int ATSYM(fn_knrarg) (arg)
int arg ATTR; /* { dg-warning "attribute ignored" "" } */
int ATSYM(fn_isoarg) (int arg ATTR) { return 0; } /* { dg-warning "attribute ignored" "" } */
int ATSYM(fn_vars) (void) {
- static int svar ATTR; /* { dg-warning "attribute ignored" "" } */
+ static int svar ATTR;
auto int lvar ATTR; /* { dg-warning "attribute ignored" "" } */
return 0;
}
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-Wall -O2" } */
+
+static int xyzzy __attribute__((__used__)) = 1;
+
+void foo()
+{
+ int x __attribute__((__used__)); /* { dg-warning "attribute ignored|unused variable" } */
+}
+
+/* { dg-final { scan-assembler "xyzzy" } } */