From 0038eaee6b44b9828334bf93e220a3aa3c43402c Mon Sep 17 00:00:00 2001
From: Vadim Petrochenkov <vadim.petrochenkov@gmail.com>
Date: Sun, 14 Feb 2021 18:56:21 +0300
Subject: [PATCH] rustc_span: Remove obsolete
`allow_internal_unstable_backcompat_hack`
---
compiler/rustc_span/src/lib.rs | 9 ++++-----
compiler/rustc_span/src/symbol.rs | 1 -
2 files changed, 4 insertions(+), 6 deletions(-)
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index 79c5c7f110c..4b03d38ccba 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -510,11 +510,10 @@ impl Span {
/// items can be used (that is, a macro marked with
/// `#[allow_internal_unstable]`).
pub fn allows_unstable(&self, feature: Symbol) -> bool {
- self.ctxt().outer_expn_data().allow_internal_unstable.map_or(false, |features| {
- features
- .iter()
- .any(|&f| f == feature || f == sym::allow_internal_unstable_backcompat_hack)
- })
+ self.ctxt()
+ .outer_expn_data()
+ .allow_internal_unstable
+ .map_or(false, |features| features.iter().any(|&f| f == feature))
}
/// Checks if this span arises from a compiler desugaring of kind `kind`.
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 1c37a6b2aca..0e6235c1676 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -252,7 +252,6 @@ symbols! {
allow_fail,
allow_internal_unsafe,
allow_internal_unstable,
- allow_internal_unstable_backcompat_hack,
allowed,
always,
and,