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Fix auto argument passing for more auto arguments than formals

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The change in 626200713b didn't account
for when the number of auto arguments is bigger than the number of
formal arguments. This causes the following:

  $ nix-instantiate --eval -E '{ ... }@args: args.foo' --argstr foo foo
  nix-instantiate: src/libexpr/attr-set.hh:55: void nix::Bindings::push_back(const nix::Attr&): Assertion `size_ < capacity_' failed.
  Aborted (core dumped)
This commit is contained in:
Silvan Mosberger 2020-09-11 19:21:40 +02:00
parent e1f2c93f88
commit 8dbd57a6a5
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GPG key ID: E8F1E9EAD284E17D
1 changed files with 1 additions and 1 deletions
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src/libexpr/eval.cc
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@ -1348,7 +1348,7 @@ void EvalState::autoCallFunction(Bindings & args, Value & fun, Value & res)
} }
Value * actualArgs = allocValue(); Value * actualArgs = allocValue();
mkAttrs(*actualArgs, fun.lambda.fun->formals->formals.size()); mkAttrs(*actualArgs, std::max(static_cast<uint32_t>(fun.lambda.fun->formals->formals.size()), args.size()));
if (fun.lambda.fun->formals->ellipsis) { if (fun.lambda.fun->formals->ellipsis) {
// If the formals have an ellipsis (eg the function accepts extra args) pass // If the formals have an ellipsis (eg the function accepts extra args) pass