Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/llvm/test/CodeGen/X86/GC/badrootproto.ll

@@ -0,0 +1,13 @@
+; RUN: not llvm-as < %s > /dev/null 2>&1
+
+	%list = type { i32, %list* }
+	%meta = type opaque
+
+; This usage is invalid now; instead, objects must be bitcast to i8* for input
+; to the gc intrinsics.
+declare void @llvm.gcroot(%list*, %meta*)
+
+define void @root() gc "example" {
+	%x.var = alloca i8*
+	call void @llvm.gcroot(i8** %x.var, %meta* null)
+}