gdb/gdb-6.8-sparc64-silence-memcpy-check.patch

From FEDORA_PATCHES Mon Sep 17 00:00:00 2001
From: Fedora GDB patches <invalid@email.com>
Date: Fri, 27 Oct 2017 21:07:50 +0200
Subject: gdb-6.8-sparc64-silence-memcpy-check.patch

FileName: gdb-6.8-sparc64-silence-memcpy-check.patch

;; Silence memcpy check which returns false positive (sparc64)
;;=push: But it is just a GCC workaround, look up the existing GCC PR for it.

diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c
index 7300080d8d..9860e12729 100644
--- a/gdb/sparc-tdep.c
+++ b/gdb/sparc-tdep.c
@@ -1462,6 +1462,7 @@ sparc32_store_return_value (struct type *type, struct regcache *regcache,
   if (sparc_floating_p (type) || sparc_complex_floating_p (type))
     {
       /* Floating return values.  */
+      len = (len <= 8) ? len : 8;
       memcpy (buf, valbuf, len);
       regcache_cooked_write (regcache, SPARC_F0_REGNUM, buf);
       if (len > 4)