From: No Author <no-author@gcc.gnu.org>
Date: Sun, 26 May 2002 02:42:21 +0000 (+0000)
Subject: This commit was manufactured by cvs2svn to create branch
X-Git-Tag: releases/gcc-3.1.1~267
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e9367b042b500d235673bb1243998f1f302f3914;p=thirdparty%2Fgcc.git

This commit was manufactured by cvs2svn to create branch
'gcc-3_1-branch'.

From-SVN: r53882
---

diff --git a/gcc/testsuite/g++.dg/opt/thunk1.C b/gcc/testsuite/g++.dg/opt/thunk1.C
new file mode 100644
index 000000000000..566c0f2fcc5d
--- /dev/null
+++ b/gcc/testsuite/g++.dg/opt/thunk1.C
@@ -0,0 +1,42 @@
+// PR 6788
+// Test that the thunk adjusts the this pointer properly.
+// { dg-do run }
+
+extern "C" void abort ();
+
+struct A
+{
+  virtual void foo() = 0;
+  char large[33*1024];
+};
+
+struct B
+{
+  virtual void foo() = 0;
+};
+
+struct C : public A, public B
+{
+  virtual void foo();
+};
+
+static C *match;
+
+void C::foo()
+{
+  if (this != match)
+    abort ();
+}
+
+void bar(B *x)
+{
+  x->foo();
+}
+
+int main()
+{
+  C obj;
+  match = &obj;
+  bar(&obj);
+  return 0;
+}