correct namespace mangling for Issue 17772

dlang · Feb 23, 2018 · 5bb9d29 · 5bb9d29
1 parent 0e56626
commit 5bb9d29
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Showing 2 changed files with 26 additions and 1 deletion.
diff --git a/src/dmd/cppmangle.d b/src/dmd/cppmangle.d
@@ -584,7 +584,20 @@ private final class CppMangleVisitor : Visitor
              */
             TemplateInstance ti = d.parent.isTemplateInstance();
             assert(ti);
-            source_name(ti);
+            Dsymbol p = ti.toParent();
+            if (p && !p.isModule() && tf.linkage == LINK.cpp)
+            {
+                buf.writeByte('N');
+                CV_qualifiers(d.type);
+                prefix_name(p);
+                if (d.isDtorDeclaration())
+                    buf.writestring("D1");
+                else
+                    source_name(ti);
+                buf.writeByte('E');
+            }
+            else
+                source_name(ti);
             headOfType(tf.nextOf());  // mangle return type
         }
         else

diff --git a/test/compilable/cppmangle.d b/test/compilable/cppmangle.d
@@ -438,3 +438,15 @@ version (linux)
 {
     static assert(test36.mangleof == "_Z6test36PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPiPS12_");
 }
+
+/*****************************************/
+// https://issues.dlang.org/show_bug.cgi?id=17772
+
+extern(C++, SPACE)
+int test37(T)(){ return 0;}
+
+version (Posix) // all non-Windows machines
+{
+    static assert(test37!int.mangleof == "_ZN5SPACE6test37IiEEiv");
+}
+