fix container member access for fn/struct-fn

- decls brought in via `usingnamespace` were not always found
  because lookup was performed directly against decl_table and
  use_decls was never consulted
- fix to use find_container_decl() path instead
- closes #3367

1 files changed, 1 insertions, 2 deletions

diff --git a/src/ir.cpp b/src/ir.cpp
index 14adf6fbd6..52b59ddcad 100644
--- a/src/ir.cpp
+++ b/src/ir.cpp
@@ -17673,8 +17673,7 @@ static IrInstruction *ir_analyze_container_member_access_inner(IrAnalyze *ira,
     if (!is_slice(bare_struct_type)) {
         ScopeDecls *container_scope = get_container_scope(bare_struct_type);
         assert(container_scope != nullptr);
-        auto entry = container_scope->decl_table.maybe_get(field_name);
-        Tld *tld = entry ? entry->value : nullptr;
+        auto tld = find_container_decl(ira->codegen, container_scope, field_name);
         if (tld) {
             if (tld->id == TldIdFn) {
                 resolve_top_level_decl(ira->codegen, tld, source_instr->source_node, false);