summaryrefslogtreecommitdiff
path: root/gcc/testsuite/g++.dg/eh/async-unwind1.C
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/testsuite/g++.dg/eh/async-unwind1.C')
-rw-r--r--gcc/testsuite/g++.dg/eh/async-unwind1.C61
1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/eh/async-unwind1.C b/gcc/testsuite/g++.dg/eh/async-unwind1.C
new file mode 100644
index 000000000..69b2c345e
--- /dev/null
+++ b/gcc/testsuite/g++.dg/eh/async-unwind1.C
@@ -0,0 +1,61 @@
+// PR rtl-optimization/36419
+// { dg-do run { target { { i?86-*-* x86_64-*-* } && ilp32 } } }
+// { dg-options "-Os -fasynchronous-unwind-tables -mpreferred-stack-boundary=4" }
+
+extern "C" void abort ();
+
+int v = -1;
+unsigned int n;
+
+__attribute__((noinline, used))
+void foo (int a, int)
+{
+ if (v < 0)
+ v = ((unsigned long) &a) & 15;
+ else if ((((unsigned long) &a) & 15) != v)
+ abort ();
+ if (n++ == 0)
+ throw 1;
+}
+
+__attribute__((noinline, used))
+void baz (int a, int, int, int, int, int, int)
+{
+ if (v < 0)
+ v = ((unsigned long) &a) & 15;
+ else if ((((unsigned long) &a) & 15) != v)
+ abort ();
+ if (n++ == 0)
+ throw 1;
+}
+
+struct A { A () { }; ~A (); char c[24]; };
+
+__attribute__((noinline))
+A::~A ()
+{
+ asm volatile ("" : : : "memory");
+}
+
+__attribute__((noinline))
+void bar ()
+{
+ A a;
+ try
+ {
+ foo (1, 2);
+ baz (3, 4, 5, 6, 7, 8, 9);
+ }
+ catch (...)
+ {
+ }
+ foo (1, 2);
+ baz (3, 4, 5, 6, 7, 8, 9);
+}
+
+int
+main ()
+{
+ bar ();
+ return 0;
+}