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Auto merge of #80296 - wesleywiser:revert_missing_fragment_specifier_hard_error, r=Mark-Simulacrum

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Revert missing fragment specifier hard error

Closes #76605

Reopens #40107

r? `@Mark-Simulacrum`
This commit is contained in:
bors 2020-12-25 14:09:08 +00:00
commit 1832bdd7de
16 changed files with 135 additions and 35 deletions
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19
compiler/rustc_interface/src/passes.rs
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@ -29,6 +29,7 @@ use rustc_passes::{self, hir_stats, layout_test};
use rustc_plugin_impl as plugin;
use rustc_resolve::{Resolver, ResolverArenas};
use rustc_session::config::{CrateType, Input, OutputFilenames, OutputType, PpMode, PpSourceMode};
use rustc_session::lint;
use rustc_session::output::{filename_for_input, filename_for_metadata};
use rustc_session::search_paths::PathKind;
use rustc_session::Session;
@ -306,11 +307,27 @@ fn configure_and_expand_inner<'a>(
ecx.check_unused_macros();
});
let mut missing_fragment_specifiers: Vec<_> = ecx
.sess
.parse_sess
.missing_fragment_specifiers
.borrow()
.iter()
.map(|(span, node_id)| (*span, *node_id))
.collect();
missing_fragment_specifiers.sort_unstable_by_key(|(span, _)| *span);
let recursion_limit_hit = ecx.reduced_recursion_limit.is_some();
for (span, node_id) in missing_fragment_specifiers {
let lint = lint::builtin::MISSING_FRAGMENT_SPECIFIER;
let msg = "missing fragment specifier";
resolver.lint_buffer().buffer_lint(lint, node_id, span, msg);
}
if cfg!(windows) {
env::set_var("PATH", &old_path);
}
let recursion_limit_hit = ecx.reduced_recursion_limit.is_some();
if recursion_limit_hit {
// If we hit a recursion limit, exit early to avoid later passes getting overwhelmed
// with a large AST