[8-2018-q4-major] Patch gcc to fix the Windows LTO with -g

PR lto/88422
    * simple-object.c (O_BINARY): Define if not already defined.
    (simple_object_copy_lto_debug_sections): Create file in binary
    mode.

See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88422

Signed-off-by: Frederic.Pillon <[email protected]>

Author: fpistm

patch/8-2018-q4-major/gcc_libiberty_changelog.patch

@@ -0,0 +1,14 @@
+diff --git a/src/gcc/libiberty/ChangeLog b/src/gcc/libiberty/ChangeLog
+index 9b49747..ea9c1bf 100644
+--- a/src/gcc/libiberty/ChangeLog
++++ b/src/gcc/libiberty/ChangeLog
+@@ -1,3 +1,9 @@
++
++PR lto/88422
++	* simple-object.c (O_BINARY): Define if not already defined.
++	(simple_object_copy_lto_debug_sections): Create file in binary
++	mode.
++
+ 2018-07-26  Release Manager
+ 
+ 	* GCC 8.2.0 released.

patch/8-2018-q4-major/gcc_libiberty_simple-object.c.patch

@@ -0,0 +1,22 @@
+--- a/src/gcc/libiberty/simple-object.c
++++ b/src/gcc/libiberty/simple-object.c
+@@ -44,6 +44,10 @@
+ #define SEEK_SET 0
+ #endif
+ 
++#ifndef O_BINARY
++#define O_BINARY 0
++#endif
++
+ #include "simple-object-common.h"
+ 
+ /* The known object file formats.  */
+@@ -326,7 +330,7 @@
+       return errmsg;
+     }
+ 
+-  outfd = creat (dest, 00777);
++  outfd = open (dest, O_CREAT|O_WRONLY|O_TRUNC|O_BINARY, 00777);
+   if (outfd == -1)
+     {
+       *err = errno;