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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug build/31150] [gdb/build] m_uiout may be used uninitialized in
 this function [-Wmaybe-uninitialized]
Date: Sun, 24 Dec 2023 09:33:32 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D31150

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
This seems to fix it:
...
diff --git a/gdb/ui-out.h b/gdb/ui-out.h
index 07567a1df35..0ff9b761102 100644
--- a/gdb/ui-out.h
+++ b/gdb/ui-out.h
@@ -406,14 +405,15 @@ class ui_out_emit_type

   ~ui_out_emit_type ()
   {
-    m_uiout->end (Type);
+    if (m_uiout !=3D nullptr)
+      m_uiout->end (Type);
   }

   DISABLE_COPY_AND_ASSIGN (ui_out_emit_type);

 private:

-  struct ui_out *m_uiout;
+  struct ui_out *m_uiout =3D nullptr;
 };

 typedef ui_out_emit_type<ui_out_type_tuple> ui_out_emit_tuple;
...

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