If we support structs as va_list, we must pass pointers to them to va_copy
See last commit for LangRef, this implements it on all targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22273 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 6597993..c30b306 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -1495,7 +1495,7 @@
         Out << "0; ";
         Out << "va_copy(*(va_list*)";
         writeOperand(I.getOperand(1));
-        Out << ", *(va_list*)&";
+        Out << ", *(va_list*)";
         writeOperand(I.getOperand(2));
         Out << ')';
         return;