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Diffstat (limited to 'third_party/nix/src/libexpr/primops/fetchMercurial.cc')
-rw-r--r--third_party/nix/src/libexpr/primops/fetchMercurial.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/third_party/nix/src/libexpr/primops/fetchMercurial.cc b/third_party/nix/src/libexpr/primops/fetchMercurial.cc
index 4205442c732b..1e7064f97d9f 100644
--- a/third_party/nix/src/libexpr/primops/fetchMercurial.cc
+++ b/third_party/nix/src/libexpr/primops/fetchMercurial.cc
@@ -190,7 +190,8 @@ static void prim_fetchMercurial(EvalState& state, const Pos& pos, Value** args,
   if (args[0]->type == tAttrs) {
     state.forceAttrs(*args[0], pos);
 
-    for (auto& attr : *args[0]->attrs) {
+    for (auto& attr_iter : *args[0]->attrs) {
+      auto& attr = attr_iter.second;
       std::string n(attr.name);
       if (n == "url")
         url =