Fix issue 13582: don't print deprecation when importing a deprecated …

…module from another deprecated module.

src/dmd/dimport.d

@@ -214,7 +214,7 @@ extern (C++) final class Import : Dsymbol
         if (!mod) return; // Failed
 
         mod.importAll(null);
-        if (mod.md && mod.md.isdeprecated)
+        if (mod.md && mod.md.isdeprecated && !sc.isDeprecated)
         {
             Expression msg = mod.md.msg;
             if (StringExp se = msg ? msg.toStringExp() : null)

src/dmd/dscope.d

@@ -725,6 +725,10 @@ struct Scope
             if (sc2.stc & STC.deprecated_)
                 return true;
         }
+        if (_module.md && _module.md.isdeprecated)
+        {
+            return true;
+        }
         return false;
     }
 }

test/compilable/imports/test13582.d

@@ -0,0 +1 @@
+deprecated module imports.test13582;

test/compilable/test13582a.d

@@ -0,0 +1,6 @@
+// REQUIRED_ARGS: -de
+deprecated module test13582a;
+
+import imports.test13582;
+
+void main() { }

test/compilable/test13582b.d

@@ -0,0 +1,14 @@
+// REQUIRED_ARGS: -de
+module test13582b;
+
+deprecated void foo()
+{
+    import imports.test13582;
+}
+
+deprecated struct S
+{
+    import imports.test13582;
+}
+
+void main() { }