From: Iain Buclaw <ibuclaw@gdcproject.org>
Date: Thu, 29 Jan 2026 17:07:57 +0000 (+0100)
Subject: d: Fix infinite loop in dump_generic_node [PR123264]
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=94d887ec2bab35e6eb17f68848a917689526c4e0;p=thirdparty%2Fgcc.git

d: Fix infinite loop in dump_generic_node [PR123264]

	PR d/123264

gcc/d/ChangeLog:

	* types.cc (finish_aggregate_type): Propagate struct TYPE_NAME to all
	TYPE_NEXT_VARIANT types.

gcc/testsuite/ChangeLog:

	* gdc.dg/pr123264.d: New test.
---

diff --git a/gcc/d/types.cc b/gcc/d/types.cc
index b09c262fc86..078ac4c9e9b 100644
--- a/gcc/d/types.cc
+++ b/gcc/d/types.cc
@@ -707,6 +707,7 @@ finish_aggregate_type (unsigned structsize, unsigned alignsize, tree type)
       if (t == type)
 	continue;
 
+      TYPE_NAME (t) = TYPE_NAME (type);
       TYPE_FIELDS (t) = TYPE_FIELDS (type);
       TYPE_LANG_SPECIFIC (t) = TYPE_LANG_SPECIFIC (type);
       TYPE_SIZE (t) = TYPE_SIZE (type);
diff --git a/gcc/testsuite/gdc.dg/pr123264.d b/gcc/testsuite/gdc.dg/pr123264.d
new file mode 100644
index 00000000000..a786c054e74
--- /dev/null
+++ b/gcc/testsuite/gdc.dg/pr123264.d
@@ -0,0 +1,8 @@
+// { dg-do compile }
+// { dg-options "-fdump-tree-original" }
+struct S123264
+{
+    void infinite(const S123264) { }
+    auto fn = &infinite;
+}
+// { dg-final { scan-tree-dump "const struct S123264" "original" } }