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-rw-r--r--gcc/testsuite/g++.old-deja/g++.other/pmf5.C39
1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.other/pmf5.C b/gcc/testsuite/g++.old-deja/g++.other/pmf5.C
new file mode 100644
index 000000000..73fcedae0
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.other/pmf5.C
@@ -0,0 +1,39 @@
+// { dg-do run }
+// Bug: g++ expanded b->member() multiple times, causing the optimizer to
+// decide that things weren't related and optimize 'die' into an infinite
+// loop.
+
+struct A {
+ virtual ~A() { }
+ void f (bool) { }
+};
+
+typedef void (A::*pmf_void)();
+typedef void (A::*pmf_bool)(bool);
+
+struct B {
+ ~B() {}
+ pmf_void member() const { return mbr; }
+ pmf_void mbr;
+};
+
+A *a;
+B *b;
+
+void die (bool param) {
+ pmf_bool pmf = (pmf_bool)(b->member());
+ (a->*pmf)(param);
+}
+
+int main ()
+{
+ A a2;
+ B b2;
+
+ b2.mbr = reinterpret_cast<pmf_void>(&A::f);
+
+ a = &a2;
+ b = &b2;
+
+ die (true);
+}