2014-09-10 Martin Jambor <mjambor@suse.cz>

	PR ipa/61654
	* cgraphclones.c (duplicate_thunk_for_node): Copy arguments of the
	new decl properly.  Analyze the new thunk if it is expanded.

gcc/testsuite/
	* g++.dg/ipa/pr61654.C: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@215122 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 40 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/ipa/pr61654.C b/gcc/testsuite/g++.dg/ipa/pr61654.C
new file mode 100644
index 00000000000..d07e4586bdb
--- /dev/null
+++ b/gcc/testsuite/g++.dg/ipa/pr61654.C
@@ -0,0 +1,40 @@
+/* { dg-do compile } */
+/* { dg-options "-O3" } */
+
+/* The bug only presented itself on a 32 bit i386 but in theory it might also
+   pop up elsewhere and we do not want to put -m32 options to testcase
+   options.  */
+
+struct A
+{
+  virtual int a (int, int = 0) = 0;
+  void b ();
+  void c ();
+  int d;
+};
+
+struct B : virtual A
+{
+  int a (int, int);
+  int e;
+};
+
+int f;
+
+void
+A::b ()
+{
+  a (0);
+}
+
+void
+A::c ()
+{
+  a (f);
+}
+
+int
+B::a (int, int)
+{
+  return e;
+}