debuginfo: Support for recursive types.

src/librustc/lib/llvm.rs

@@ -2117,6 +2117,10 @@ pub fn LLVMDIBuilderCreateNameSpace(Builder: DIBuilderRef,
                                             LineNo: c_uint)
                                             -> ValueRef;
 
+        #[fast_ffi]
+        pub fn LLVMDICompositeTypeSetTypeArray(CompositeType: ValueRef, TypeArray: ValueRef);
+
+
         #[fast_ffi]
         pub fn LLVMIsAArgument(value_ref: ValueRef) -> ValueRef;
 

src/rustllvm/RustWrapper.cpp

@@ -789,3 +789,33 @@ extern "C" LLVMValueRef LLVMDIBuilderCreateNameSpace(
         unwrapDI<DIFile>(File),
         LineNo));
 }
+
+// extern "C" LLVMValueRef LLVMDIBuilderCreateForwardDecl(
+//     DIBuilderRef Builder,
+//     unsigned Tag,
+//     const char* Name,
+//     LLVMValueRef Scope,
+//     LLVMValueRef File,
+//     unsigned Line,
+//     unsigned RuntimeLang,
+//     uint64_t SizeInBits,
+//     uint64_t AlignInBits)
+// {
+//     return wrap(Builder->createForwardDecl(
+//         Tag,
+//         Name,
+//         unwrapDI<DIDescriptor>(Scope),
+//         unwrapDI<DIFile>(File),
+//         Line,
+//         RuntimeLang,
+//         SizeInBits,
+//         AlignInBits
+//     ));
+// }
+
+extern "C" void LLVMDICompositeTypeSetTypeArray(
+    LLVMValueRef CompositeType,
+    LLVMValueRef TypeArray)
+{
+    unwrapDI<DICompositeType>(CompositeType).setTypeArray(unwrapDI<DIArray>(TypeArray));
+}