From 9c791a4e8475529ff9385d1bdfaf8fa536225719 Mon Sep 17 00:00:00 2001
From: JinShil <slavo5150@yahoo.com>
Date: Mon, 1 Apr 2019 06:52:02 +0900
Subject: [PATCH] Remove _d_arraycast

---
 mak/DOCS           |  1 -
 mak/SRCS           |  1 -
 src/rt/arraycast.d | 52 ----------------------------------------------
 3 files changed, 54 deletions(-)
 delete mode 100644 src/rt/arraycast.d

diff --git a/mak/DOCS b/mak/DOCS
index 96121956cd..0a93f641f9 100644
--- a/mak/DOCS
+++ b/mak/DOCS
@@ -79,7 +79,6 @@ DOCS=\
     $(DOCDIR)\rt_adi.html \
     $(DOCDIR)\rt_alloca.html \
     $(DOCDIR)\rt_arrayassign.html \
-    $(DOCDIR)\rt_arraycast.html \
     $(DOCDIR)\rt_arraycat.html \
     \
     $(DOCDIR)\rt_backtrace_dwarf.html \
diff --git a/mak/SRCS b/mak/SRCS
index 0904b9029e..2aded39208 100644
--- a/mak/SRCS
+++ b/mak/SRCS
@@ -407,7 +407,6 @@ SRCS=\
 	src\rt\adi.d \
 	src\rt\alloca.d \
 	src\rt\arrayassign.d \
-	src\rt\arraycast.d \
 	src\rt\arraycat.d \
 	src\rt\cast_.d \
 	src\rt\cmath2.d \
diff --git a/src/rt/arraycast.d b/src/rt/arraycast.d
deleted file mode 100644
index cba5de0ba4..0000000000
--- a/src/rt/arraycast.d
+++ /dev/null
@@ -1,52 +0,0 @@
-/**
- * Implementation of array cast support routines.
- *
- * Copyright: Copyright Digital Mars 2004 - 2016.
- * License:   Distributed under the
- *            $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0).
- * Authors:   Walter Bright, Sean Kelly
- * Source:    $(DRUNTIMESRC rt/_arraycast.d)
- */
-
-module rt.arraycast;
-
-/******************************************
- * Runtime helper to convert dynamic array of one
- * type to dynamic array of another.
- * Adjusts the length of the array.
- * Throws an error if new length is not aligned.
- */
-
-extern (C)
-
-@trusted nothrow
-void[] _d_arraycast(size_t tsize, size_t fsize, void[] a)
-{
-    auto length = a.length;
-
-    auto nbytes = length * fsize;
-    if (nbytes % tsize != 0)
-    {
-        throw new Error("array cast misalignment");
-    }
-    length = nbytes / tsize;
-    *cast(size_t *)&a = length; // jam new length
-    return a;
-}
-
-unittest
-{
-    byte[int.sizeof * 3] b;
-    int[] i;
-    short[] s;
-
-    i = cast(int[])b;
-    assert(i.length == 3);
-
-    s = cast(short[])b;
-    assert(s.length == 6);
-
-    s = cast(short[])i;
-    assert(s.length == 6);
-}
-