Merge trunk into svelinaro-dev/sve

1 files changed, 60 insertions, 0 deletions

diff --git a/gcc/testsuite/c-c++-common/attr-nonstring-1.c b/gcc/testsuite/c-c++-common/attr-nonstring-1.c
new file mode 100644
index 00000000000..10a66887fa2
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/attr-nonstring-1.c
@@ -0,0 +1,60 @@
+/* Test to exercise attribute "nonstring" syntax.
+   { dg-do compile }
+   { dg-options "-Wattributes" }  */
+
+#define ATTR(list) __attribute__ (list)
+#define NONSTR     ATTR ((nonstring))
+
+/* Verify it's accepted on char arrays.  */
+extern NONSTR char nsx_1[];
+extern char NONSTR nsx_2[];
+extern char nsx_3[] NONSTR;
+
+extern NONSTR char ns1[1];
+extern char NONSTR ns3[3];
+extern char ns5[5] NONSTR;
+
+/* Verify it's accepted on char pointers.  */
+extern NONSTR char* pns_1;
+extern char NONSTR* pns_2;
+extern char* NONSTR pns_3;
+
+struct S
+{
+/* Verify it's accepted on char member pointers.  */
+  NONSTR char* mpns_1;
+  char NONSTR* mpns_2;
+  char* NONSTR mpns_3;
+
+/* Verify it's accepted on char member arrays.  */
+  NONSTR char mns1[1];
+  char NONSTR mns3[3];
+  char mns5[5] NONSTR;
+
+/* Verify it's accepted on char flexible array members.  */
+  char mnsx[] NONSTR;
+};
+
+/* Verify it's rejected on non-array and non-pointer objects.  */
+extern NONSTR char c1;         /* { dg-warning ".nonstring. attribute ignored on objects of type .char." } */
+
+extern NONSTR int i1;         /* { dg-warning ".nonstring. attribute ignored on objects of type .int." } */
+
+extern NONSTR int ia1[];      /* { dg-warning ".nonstring. attribute ignored on objects of type .int *\\\[\\\]." } */
+
+extern NONSTR int* pi1;       /* { dg-warning ".nonstring. attribute ignored on objects of type .int *\\*." } */
+
+extern NONSTR
+void f (void);                /* { dg-warning ".nonstring. attribute does not apply to functions" } */
+
+struct NONSTR
+NonStrType { int i; };        /* { dg-warning ".nonstring. attribute does not apply to types" } */
+
+typedef char NONSTR nschar_t; /* { dg-warning ".nonstring. attribute does not apply to types" } */
+
+void func (NONSTR char *pns1, char NONSTR *pns2, char* NONSTR pns3)
+{
+  (void)pns1;
+  (void)pns2;
+  (void)pns3;
+}