From eda5c4b5b8fa390b39199e7240d2f3a797c655bc Mon Sep 17 00:00:00 2001
From: Rainer Schuetze <r.sagitario@gmx.de>
Date: Sat, 15 Apr 2017 09:20:30 +0200
Subject: [PATCH] fix issues 14591, 17310: change mangling of extern(Pascal) to
 "Np" and extern(Objective-C) to "No"

---
 src/ddmd/dmangle.d | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/src/ddmd/dmangle.d b/src/ddmd/dmangle.d
index 97b2084fbe91..de7fe43bd414 100644
--- a/src/ddmd/dmangle.d
+++ b/src/ddmd/dmangle.d
@@ -75,7 +75,7 @@ private immutable char[TMAX] mangleChar =
     //              K   // ref
     //              L   // lazy
     //              M   // has this, or scope
-    //              N   // Nh:vector Ng:wild
+    //              N   // Nh:vector Ng:wild, No:Objective-C function, Np:Pascal function
     //              O   // shared
     Tpointer     : 'P',
     //              Q
@@ -83,7 +83,6 @@ private immutable char[TMAX] mangleChar =
     Tstruct      : 'S',
     //              T   // Ttypedef
     //              U   // C function
-    //              V   // Pascal function
     //              W   // Windows function
     //              X   // variadic T t...)
     //              Y   // variadic T t,...)
@@ -247,31 +246,29 @@ public:
         t.inuse++;
         if (modMask != t.mod)
             MODtoDecoBuffer(buf, t.mod);
-        ubyte mc;
         switch (t.linkage)
         {
         case LINKd:
-            mc = 'F';
+            buf.writeByte('F');
             break;
         case LINKc:
-            mc = 'U';
+            buf.writeByte('U');
             break;
         case LINKwindows:
-            mc = 'W';
+            buf.writeByte('W');
             break;
         case LINKpascal:
-            mc = 'V';
+            buf.writestring("Np");
             break;
         case LINKcpp:
-            mc = 'R';
+            buf.writeByte('R');
             break;
         case LINKobjc:
-            mc = 'Y';
+            buf.writestring("No");
             break;
         default:
             assert(0);
         }
-        buf.writeByte(mc);
         if (ta.purity || ta.isnothrow || ta.isnogc || ta.isproperty || ta.isref || ta.trust || ta.isreturn || ta.isscope)
         {
             if (ta.purity)