Backport two regression fixes from upstream

0001-Fix-compilability-on-non-x86-archs-with-64-bit-reals.patch

@@ -0,0 +1,35 @@
+From 036e3d63037e7f8d9403526501ba95b741babc6f Mon Sep 17 00:00:00 2001
+From: Martin Kinkelin <noone@nowhere.com>
+Date: Thu, 5 Jul 2018 22:02:01 +0200
+Subject: [PATCH 1/2] Fix compilability on non-x86 archs with 64-bit reals
+
+---
+ dmd/root/longdouble.d | 11 ++++++++---
+ 1 file changed, 8 insertions(+), 3 deletions(-)
+
+diff --git a/dmd/root/longdouble.d b/dmd/root/longdouble.d
+index ba6cff0..c1cbc2b 100644
+--- a/dmd/root/longdouble.d
++++ b/dmd/root/longdouble.d
+@@ -10,10 +10,15 @@
+ 
+ module dmd.root.longdouble;
+ 
+-static if (real.sizeof > 8)
+-    alias longdouble = real;
++version(CRuntime_Microsoft)
++{
++    static if (real.sizeof > 8)
++        alias longdouble = real;
++    else
++        alias longdouble = longdouble_soft;
++}
+ else
+-    alias longdouble = longdouble_soft;
++    alias longdouble = real;
+ 
+ // longdouble_soft needed when building the backend with
+ // Visual C or the frontend with LDC on Windows
+-- 
+2.17.1
+

0002-Fix-missing-newline-upstream-regression-in-v-predefs.patch

@@ -0,0 +1,26 @@
+From 9f5c3897e6657b8cb8bfc04b1bd55f1ec5d7446e Mon Sep 17 00:00:00 2001
+From: Martin Kinkelin <noone@nowhere.com>
+Date: Thu, 5 Jul 2018 22:04:18 +0200
+Subject: [PATCH 2/2] Fix missing newline (upstream) regression in -v predefs
+ output
+
+---
+ dmd/mars.d | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/dmd/mars.d b/dmd/mars.d
+index 031782b..8056c04 100644
+--- a/dmd/mars.d
++++ b/dmd/mars.d
+@@ -1627,7 +1627,7 @@ private void printPredefinedVersions(FILE* stream)
+             buf.writeByte(' ');
+             buf.writestring(str.toChars());
+         }
+-        stream.fprintf("predefs  %s", buf.peekString());
++        stream.fprintf("predefs  %s\n", buf.peekString());
+     }
+ }
+ 
+-- 
+2.17.1
+

ldc.spec

@@ -34,6 +34,10 @@ Source1:        ldc-0.17.6-gita1a8a84-src.tar.gz
 %endif
 Source3:        macros.%{name}
 
+# Backported from upstream
+Patch0:         0001-Fix-compilability-on-non-x86-archs-with-64-bit-reals.patch
+Patch1:         0002-Fix-missing-newline-upstream-regression-in-v-predefs.patch
+
 ExclusiveArch:  %{ldc_arches}
 
 %if ! 0%{?bootstrap}