libgo: Update to current version of master library.

From-SVN: r193688

1 files changed, 21 insertions, 12 deletions

diff --git a/libgo/runtime/go-unsafe-newarray.c b/libgo/runtime/go-unsafe-newarray.c
index 67399ea..47dcd84 100644
--- a/libgo/runtime/go-unsafe-newarray.c
+++ b/libgo/runtime/go-unsafe-newarray.c
@@ -5,28 +5,37 @@
    license that can be found in the LICENSE file.  */
 
 #include "runtime.h"
-#include "go-alloc.h"
+#include "arch.h"
+#include "malloc.h"
 #include "go-type.h"
 #include "interface.h"
 
 /* Implement unsafe_NewArray, called from the reflect package.  */
 
-void *unsafe_NewArray (struct __go_empty_interface type, int n)
+void *unsafe_NewArray (const struct __go_type_descriptor *, intgo)
   asm ("reflect.unsafe_NewArray");
 
 /* The dynamic type of the argument will be a pointer to a type
    descriptor.  */
 
 void *
-unsafe_NewArray (struct __go_empty_interface type, int n)
+unsafe_NewArray (const struct __go_type_descriptor *descriptor, intgo n)
 {
-  const struct __go_type_descriptor *descriptor;
-
-  if (((uintptr_t) type.__type_descriptor & reflectFlags) != 0)
-    runtime_panicstring ("invalid interface value");
-
-  /* FIXME: We should check __type_descriptor to verify that this is
-     really a type descriptor.  */
-  descriptor = (const struct __go_type_descriptor *) type.__object;
-  return __go_alloc (descriptor->__size * n);
+  uint64 size;
+  void *ret;
+
+  size = n * descriptor->__size;
+  if (size == 0)
+    ret = &runtime_zerobase;
+  else if ((descriptor->__code & GO_NO_POINTERS) != 0)
+    ret = runtime_mallocgc (size, FlagNoPointers, 1, 1);
+  else
+    {
+      ret = runtime_mallocgc (size, 0, 1, 1);
+
+      if (UseSpanType)
+	runtime_settype (ret, (uintptr) descriptor | TypeInfo_Array);
+    }
+
+  return ret;
 }