PR10512 STAP_PROBES don't work in c++ constructors/destructors testcase.

* testsuite/systemtap.base/cxxclass.exp: New file.
* testsuite/systemtap.base/cxxclass.stp: Likewise.
* testsuite/systemtap.base/cxxclass.cxx: Likewise.

1 files changed, 59 insertions, 0 deletions

diff --git a/testsuite/systemtap.base/cxxclass.cxx b/testsuite/systemtap.base/cxxclass.cxx
new file mode 100644
index 00000000..85f31c4e
--- /dev/null
+++ b/testsuite/systemtap.base/cxxclass.cxx
@@ -0,0 +1,59 @@
+#include "sdt.h" /* Really <sys/sdt.h>, but pick current source version. */
+
+#include <stdio.h>
+
+class ProbeClass
+{
+private:
+  int& ref;
+  const char *name;
+
+public:
+  ProbeClass(int& v, const char *n) : ref(v), name(n)
+  {
+    STAP_PROBE2(_test_, cons, name, ref);
+  }
+
+  void method(int min)
+  {
+    STAP_PROBE3(_test_, meth, name, ref, min);
+    ref -= min;
+  }
+  
+  ~ProbeClass()
+  {
+    STAP_PROBE2(_test_, dest, name, ref);
+  }
+}; 
+
+static void
+call()
+{
+  int i = 64;
+  STAP_PROBE1(_test_, call, i);
+  ProbeClass inst = ProbeClass(i, "call");
+  inst.method(24);
+  i += 2;
+  // Here the destructor goes out of scope and uses i as ref one last time.
+}
+
+static void
+call2()
+{
+  int j = 24;
+  STAP_PROBE1(_test_, call2, j);
+  ProbeClass inst = ProbeClass(j, "call2");
+  inst.method(40);
+  j += 58;
+  // Here the destructor goes out of scope and uses i as ref one last time.
+}
+
+int
+main (int argc, char **argv)
+{
+  STAP_PROBE(_test_, main_enter);
+  call();
+  call2();
+  STAP_PROBE(_test_, main_exit);
+  return 0;
+}