* c-common.c (handle_cleanup_attribute): New.

        (c_common_attributes): Add it.
        * c-decl.c (finish_decl): Honor the cleanup attribute.
        * doc/extend.texi (Variable Attributes): Document it.

        * unwind-c.c: New file.
        * Makefile.in (LIB2ADDEH): Add it.
        * config/t-darwin, config/t-linux, config/t-linux-gnulibc1,
        config/ia64/t-ia64: Likewise.

        * gcc.dg/cleanup-1.c: New.
        * gcc.dg/cleanup-2.c: New.
        * gcc.dg/cleanup-3.c: New.
        * gcc.dg/cleanup-4.c: New.
        * gcc.dg/cleanup-5.c: New.
        * gcc.dg/cleanup-6.c: New.
        * gcc.dg/cleanup-7.c: New.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@67449 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 22 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/cleanup-2.c b/gcc/testsuite/gcc.dg/cleanup-2.c
new file mode 100644
index 00000000000..2c798023ccb
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/cleanup-2.c
@@ -0,0 +1,22 @@
+/* { dg-do run } */
+/* { dg-options "" } */
+/* Verify that cleanup works in the most basic of ways.  */
+
+extern void exit(int);
+extern void abort(void);
+
+static void handler(void *p __attribute__((unused)))
+{
+  exit (0);
+}
+
+static void doit(void)
+{
+  int x __attribute__((cleanup (handler)));
+}
+
+int main()
+{
+  doit ();
+  abort ();
+}