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Fix truncate of 'bound params stack' by using the correct length

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This commit is contained in:
Audun Halland 2021-09-29 03:18:56 +02:00
parent f0e99827f8
commit e559867d86
1 changed files with 1 additions and 1 deletions
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2
compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
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@ -377,7 +377,7 @@ fn find_type_parameters(
trait_ref: &'a ast::PolyTraitRef, trait_ref: &'a ast::PolyTraitRef,
modifier: &'a ast::TraitBoundModifier, modifier: &'a ast::TraitBoundModifier,
) { ) {
let stack_len = trait_ref.bound_generic_params.len(); let stack_len = self.bound_generic_params_stack.len();
self.bound_generic_params_stack self.bound_generic_params_stack
.extend(trait_ref.bound_generic_params.clone().into_iter()); .extend(trait_ref.bound_generic_params.clone().into_iter());