Update 4.8.1 to 4.8.3.

My previous drop was the wrong version. The platform mingw is
currently using 4.8.3, not 4.8.1 (not sure how I got that wrong).

From ftp://ftp.gnu.org/gnu/gcc/gcc-4.8.3/gcc-4.8.3.tar.bz2.

Bug: http://b/26523949
Change-Id: Id85f1bdcbbaf78c7d0b5a69e74c798a08f341c35

1 files changed, 0 insertions, 88 deletions

diff --git a/gcc-4.8.1/libgo/runtime/go-matherr.c b/gcc-4.8.1/libgo/runtime/go-matherr.c
deleted file mode 100644
index d620ba08b..000000000
--- a/gcc-4.8.1/libgo/runtime/go-matherr.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/* go-matherr.c -- a Go version of the matherr function.
-
-   Copyright 2012 The Go Authors. All rights reserved.
-   Use of this source code is governed by a BSD-style
-   license that can be found in the LICENSE file.  */
-
-/* The gccgo version of the math library calls libc functions.  On
-   some systems, such as Solaris, those functions will call matherr on
-   exceptional conditions.  This is a version of matherr appropriate
-   for Go, one which returns the values that the Go math library
-   expects.  This is fine for pure Go programs.  For mixed Go and C
-   programs this will be problematic if the C programs themselves use
-   matherr.  Normally the C version of matherr will override this, and
-   the Go code will just have to cope.  If this turns out to be too
-   problematic we can change to run pure Go code in the math library
-   on systems that use matherr.  */
-
-#include <math.h>
-#include <stdint.h>
-
-#include "config.h"
-
-#if defined(HAVE_MATHERR) && defined(HAVE_STRUCT_EXCEPTION)
-
-#define PI 3.14159265358979323846264338327950288419716939937510582097494459
-
-int
-matherr (struct exception* e)
-{
-  const char *n;
-
-  if (e->type != DOMAIN)
-    return 0;
-
-  n = e->name;
-  if (__builtin_strcmp (n, "acos") == 0
-      || __builtin_strcmp (n, "asin") == 0)
-    e->retval = __builtin_nan ("");
-  else if (__builtin_strcmp (n, "atan2") == 0)
-    {
-      if (e->arg1 == 0 && e->arg2 == 0)
-	{
-	  double nz;
-
-	  nz = -0.0;
-	  if (__builtin_memcmp (&e->arg2, &nz, sizeof (double)) != 0)
-	    e->retval = e->arg1;
-	  else
-	    e->retval = copysign (PI, e->arg1);
-	}
-      else
-	return 0;
-    }
-  else if (__builtin_strcmp (n, "log") == 0
-	   || __builtin_strcmp (n, "log10") == 0)
-    e->retval = __builtin_nan ("");
-  else if (__builtin_strcmp (n, "pow") == 0)
-    {
-      if (e->arg1 < 0)
-	e->retval = __builtin_nan ("");
-      else if (e->arg1 == 0 && e->arg2 == 0)
-	e->retval = 1.0;
-      else if (e->arg1 == 0 && e->arg2 < 0)
-	{
-	  double i;
-
-	  if (modf (e->arg2, &i) == 0 && ((int64_t) i & 1) == 1)
-	    e->retval = copysign (__builtin_inf (), e->arg1);
-	  else
-	    e->retval = __builtin_inf ();
-	}
-      else
-	return 0;
-    }
-  else if (__builtin_strcmp (n, "sqrt") == 0)
-    {
-      if (e->arg1 < 0)
-	e->retval = __builtin_nan ("");
-      else
-	return 0;
-    }
-  else
-    return 0;
-
-  return 1;
-}
-
-#endif