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authorJerry DeLisle <jvdelisle@gcc.gnu.org>2025-09-02 15:58:26 -0700
committerJerry DeLisle <jvdelisle@gcc.gnu.org>2025-09-02 15:58:26 -0700
commit071b4126c613881f4cb25b4e5c39032964827f88 (patch)
tree7ed805786566918630d1d617b1ed8f7310f5fd8e /gcc/testsuite/gcc.dg/pointer-counted-by-7.c
parent845d23f3ea08ba873197c275a8857eee7edad996 (diff)
parentcaa1c2f42691d68af4d894a5c3e700ecd2dba080 (diff)
downloadgcc-devel/gfortran-test.zip
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Merge branch 'master' into gfortran-testdevel/gfortran-test
Diffstat (limited to 'gcc/testsuite/gcc.dg/pointer-counted-by-7.c')
-rw-r--r--gcc/testsuite/gcc.dg/pointer-counted-by-7.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pointer-counted-by-7.c b/gcc/testsuite/gcc.dg/pointer-counted-by-7.c
new file mode 100644
index 0000000..af1ab27
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pointer-counted-by-7.c
@@ -0,0 +1,32 @@
+/* Additional test of the attribute counted_by for pointer field and its usage
+ in __builtin_dynamic_object_size. */
+/* { dg-do run } */
+/* { dg-options "-O2" } */
+
+#include "builtin-object-size-common.h"
+
+struct annotated {
+ int b;
+ int *c __attribute__ ((counted_by (b)));
+};
+
+struct annotated __attribute__((__noinline__)) setup (int attr_count)
+{
+ struct annotated p_array_annotated;
+ p_array_annotated.c = (int *) malloc (sizeof (int) * attr_count);
+ p_array_annotated.b = attr_count;
+
+ return p_array_annotated;
+}
+
+int main(int argc, char *argv[])
+{
+ struct annotated x = setup (10);
+ int *p = x.c;
+ x = setup (20);
+ EXPECT(__builtin_dynamic_object_size (p, 1), 10 * sizeof (int));
+ EXPECT(__builtin_dynamic_object_size (x.c, 1), 20 * sizeof (int));
+ free (p);
+ free (x.c);
+ DONE ();
+}