Eric Pouech : dbghelp/dwarf: Detect auto reference between a dwarf's DIE and its type.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e28ec5a0fb6fbbca7ed69d445881dfc60974ea4a
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e28ec5a0fb6fbbca7ed69d445...

Author: Eric Pouech <eric.pouech(a)gmail.com>
Date:   Sat Sep 11 10:59:36 2021 +0200

dbghelp/dwarf: Detect auto reference between a dwarf's DIE and its type.

Signed-off-by: Eric Pouech <eric.pouech(a)gmail.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/dbghelp/dwarf.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/dlls/dbghelp/dwarf.c b/dlls/dbghelp/dwarf.c
index a59999c9e70..00fa0f6fb60 100644
--- a/dlls/dbghelp/dwarf.c
+++ b/dlls/dbghelp/dwarf.c
@@ -1025,6 +1025,11 @@ static struct symt* dwarf2_lookup_type(dwarf2_parse_context_t* ctx,
         FIXME("Unable to find back reference to type %lx\n", attr.u.uvalue);
         return ctx->symt_cache[sc_unknown];
     }
+    if (type == di)
+    {
+        FIXME("Reference to itself\n");
+        return ctx->symt_cache[sc_unknown];
+    }
     if (!type->symt)
     {
         /* load the debug info entity */