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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/cleanup-12.c69
1 files changed, 69 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-12.c b/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-12.c
new file mode 100644
index 000000000..90de90ac8
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/cleanup-12.c
@@ -0,0 +1,69 @@
+/* PR middle-end/32758 */
+/* HP-UX libunwind.so doesn't provide _UA_END_OF_STACK */
+/* { dg-do run } */
+/* { dg-options "-O2 -fexceptions" } */
+/* { dg-skip-if "" { "ia64-*-hpux11.*" } { "*" } { "" } } */
+/* Verify unwind info in presence of alloca. */
+
+#include <unwind.h>
+#include <stdlib.h>
+#include <string.h>
+
+static _Unwind_Reason_Code
+force_unwind_stop (int version, _Unwind_Action actions,
+ _Unwind_Exception_Class exc_class,
+ struct _Unwind_Exception *exc_obj,
+ struct _Unwind_Context *context,
+ void *stop_parameter)
+{
+ if (actions & _UA_END_OF_STACK)
+ abort ();
+ return _URC_NO_REASON;
+}
+
+static void force_unwind (void)
+{
+ struct _Unwind_Exception *exc = malloc (sizeof (*exc));
+ memset (&exc->exception_class, 0, sizeof (exc->exception_class));
+ exc->exception_cleanup = 0;
+
+#ifndef __USING_SJLJ_EXCEPTIONS__
+ _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
+#else
+ _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
+#endif
+
+ abort ();
+}
+
+__attribute__((noinline))
+void foo (void *x __attribute__((unused)))
+{
+ force_unwind ();
+}
+
+__attribute__((noinline))
+int bar (unsigned int x)
+{
+ void *y = __builtin_alloca (x);
+ foo (y);
+ return 1;
+}
+
+static void handler (void *p __attribute__((unused)))
+{
+ exit (0);
+}
+
+__attribute__((noinline))
+static void doit ()
+{
+ char dummy __attribute__((cleanup (handler)));
+ bar (1024);
+}
+
+int main ()
+{
+ doit ();
+ abort ();
+}