Have ddmd dump all imported symbols

ddmd_imported

diff --git a/src/dsymbol.d b/src/dsymbol.d
index 2a44469..b3f799e 100644
--- a/src/dsymbol.d
+++ b/src/dsymbol.d
@@ -1340,6 +1340,9 @@ public:
                     if (!s.isImport())
                         error(loc, "%s %s is private", s.kind(), s.toPrettyChars());
                 }
+                printf("found %s from %s:%d in %s:%d - '%s'\n", ident.toChars(),
+                       loc.filename, loc.linnum, s.loc.filename, s.loc.linnum,
+                       s.toChars());
                 return s;
             }
         }
diff --git a/src/mars.d b/src/mars.d
index dbb1e43..0d746b1 100644
--- a/src/mars.d
+++ b/src/mars.d
@@ -1705,6 +1705,8 @@ extern(C++) int tryMain(size_t argc, const(char)** argv)
     Module.runDeferredSemantic3();
     if (global.errors)
         fatal();
+version(none)
+{
     if (global.params.moduleDeps)
     {
         OutBuffer* ob = global.params.moduleDeps;
@@ -1872,7 +1874,9 @@ extern(C++) int tryMain(size_t argc, const(char)** argv)
             }
         }
     }
-    return status;
+}
+    backend_term();
+    return EXIT_SUCCESS;
 }

 int main()