PR lto/62026

	* lto/pr62026.C: New testcase.

	* cgraphclones.c (duplicate_thunk_for_node): Get body to have args
	to duplicate.
	* lto-streamer-out.c (lto_output): Handle correctly thunks that was born
	at WPA time.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@216278 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 22 insertions, 0 deletions

diff --git a/gcc/testsuite/g++.dg/lto/pr62026.C b/gcc/testsuite/g++.dg/lto/pr62026.C
new file mode 100644
index 00000000000..63766a85b98
--- /dev/null
+++ b/gcc/testsuite/g++.dg/lto/pr62026.C
@@ -0,0 +1,22 @@
+// { dg-lto-do link }
+// { dg-lto-options {{-flto -O3 -r -nostdlib}} }
+class C;
+class F {
+  virtual C m_fn1();
+};
+class C {
+ public:
+  virtual int *m_fn3(int);
+};
+class G : F, C {
+  int offsets;
+  int *m_fn3(int);
+};
+C *a;
+int *G::m_fn3(int) {
+  if (offsets) return 0;
+}
+
+void fn1() {
+  for (;;) a->m_fn3(0);
+}