Auto merge of #98632 - matthiaskrgr:rollup-peg868d, r=matthiaskrgr

Rollup of 11 pull requests

Successful merges:

 - #98548 (rustdoc-json: Allow Typedef to be different in sanity assert)
 - #98560 (Add regression test for #85907)
 - #98564 (Remove references to `./tmp` in-tree)
 - #98602 (Add regression test for #80074)
 - #98606 (:arrow_up: rust-analyzer)
 - #98609 (Fix ICE for associated constant generics)
 - #98611 (Fix glob import ICE in rustdoc JSON format)
 - #98617 (Remove feature `const_option` from std)
 - #98619 (Fix mir-opt wg name)
 - #98621 (llvm-wrapper: adapt for removal of the ASanGlobalsMetadataAnalysis LLVM API)
 - #98623 (fix typo in comment)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

.gitignore

@@ -46,8 +46,6 @@ no_llvm_build
 /unicode-downloads
 /target
 /src/tools/x/target
-# Generated by compiletest for incremental
-/tmp/
 # Created by default with `src/ci/docker/run.sh`
 /obj/
 

compiler/rustc_lexer/src/unescape.rs

@@ -238,7 +238,7 @@ fn scan_escape(chars: &mut Chars<'_>, mode: Mode) -> Result<char, EscapeError> {
                             c.to_digit(16).ok_or(EscapeError::InvalidCharInUnicodeEscape)?;
                         n_digits += 1;
                         if n_digits > 6 {
-                            // Stop updating value since we're sure that it's is incorrect already.
+                            // Stop updating value since we're sure that it's incorrect already.
                             continue;
                         }
                         let digit = digit as u32;

compiler/rustc_llvm/llvm-wrapper/PassWrapper.cpp

@@ -985,7 +985,9 @@ LLVMRustOptimizeWithNewPassManager(
     if (SanitizerOptions->SanitizeAddress) {
       OptimizerLastEPCallbacks.push_back(
         [SanitizerOptions](ModulePassManager &MPM, OptimizationLevel Level) {
+#if LLVM_VERSION_LT(15, 0)
           MPM.addPass(RequireAnalysisPass<ASanGlobalsMetadataAnalysis, Module>());
+#endif
 #if LLVM_VERSION_GE(14, 0)
           AddressSanitizerOptions opts = AddressSanitizerOptions{
             /*CompileKernel=*/false,

compiler/rustc_span/src/source_map.rs

@@ -956,7 +956,7 @@ impl SourceMap {
     }
 
     pub fn generate_fn_name_span(&self, span: Span) -> Option<Span> {
-        let prev_span = self.span_extend_to_prev_str(span, "fn", true, true).unwrap_or(span);
+        let prev_span = self.span_extend_to_prev_str(span, "fn", true, true)?;
         if let Ok(snippet) = self.span_to_snippet(prev_span) {
             debug!(
                 "generate_fn_name_span: span={:?}, prev_span={:?}, snippet={:?}",

library/std/src/lib.rs

@@ -335,7 +335,6 @@
 #![feature(const_ip)]
 #![feature(const_ipv4)]
 #![feature(const_ipv6)]
-#![feature(const_option)]
 #![feature(const_socketaddr)]
 #![feature(thread_local_internals)]
 //

library/std/src/sys/windows/args.rs

@@ -21,6 +21,17 @@ use crate::vec;
 
 use core::iter;
 
+/// This is the const equivalent to `NonZeroU16::new(n).unwrap()`
+///
+/// FIXME: This can be removed once `Option::unwrap` is stably const.
+/// See the `const_option` feature (#67441).
+const fn non_zero_u16(n: u16) -> NonZeroU16 {
+    match NonZeroU16::new(n) {
+        Some(n) => n,
+        None => panic!("called `unwrap` on a `None` value"),
+    }
+}
+
 pub fn args() -> Args {
     // SAFETY: `GetCommandLineW` returns a pointer to a null terminated UTF-16
     // string so it's safe for `WStrUnits` to use.
@@ -58,10 +69,10 @@ fn parse_lp_cmd_line<'a, F: Fn() -> OsString>(
     lp_cmd_line: Option<WStrUnits<'a>>,
     exe_name: F,
 ) -> Vec<OsString> {
-    const BACKSLASH: NonZeroU16 = NonZeroU16::new(b'\\' as u16).unwrap();
-    const QUOTE: NonZeroU16 = NonZeroU16::new(b'"' as u16).unwrap();
-    const TAB: NonZeroU16 = NonZeroU16::new(b'\t' as u16).unwrap();
-    const SPACE: NonZeroU16 = NonZeroU16::new(b' ' as u16).unwrap();
+    const BACKSLASH: NonZeroU16 = non_zero_u16(b'\\' as u16);
+    const QUOTE: NonZeroU16 = non_zero_u16(b'"' as u16);
+    const TAB: NonZeroU16 = non_zero_u16(b'\t' as u16);
+    const SPACE: NonZeroU16 = non_zero_u16(b' ' as u16);
 
     let mut ret_val = Vec::new();
     // If the cmd line pointer is null or it points to an empty string then

src/librustdoc/clean/types.rs

@@ -2161,8 +2161,12 @@ impl Path {
         self.res.def_id()
     }
 
+    pub(crate) fn last_opt(&self) -> Option<Symbol> {
+        self.segments.last().map(|s| s.name)
+    }
+
     pub(crate) fn last(&self) -> Symbol {
-        self.segments.last().expect("segments were empty").name
+        self.last_opt().expect("segments were empty")
     }
 
     pub(crate) fn whole_name(&self) -> String {

src/librustdoc/json/conversions.rs

@@ -666,7 +666,12 @@ impl FromWithTcx<clean::Import> for Import {
             },
             Glob => Import {
                 source: import.source.path.whole_name(),
-                name: import.source.path.last().to_string(),
+                name: import
+                    .source
+                    .path
+                    .last_opt()
+                    .unwrap_or_else(|| Symbol::intern("*"))
+                    .to_string(),
                 id: import.source.did.map(ItemId::from).map(|i| from_item_id(i, tcx)),
                 glob: true,
             },

src/test/rustdoc-json/assoc_type.rs

@@ -0,0 +1,22 @@
+// Regression test for <https://github.com/rust-lang/rust/issues/98547>.
+
+// @has assoc_type.json
+// @has - "$.index[*][?(@.name=='Trait')]"
+// @has - "$.index[*][?(@.name=='AssocType')]"
+// @has - "$.index[*][?(@.name=='S')]"
+// @has - "$.index[*][?(@.name=='S2')]"
+
+pub trait Trait {
+    type AssocType;
+}
+
+impl<T> Trait for T {
+    type AssocType = Self;
+}
+
+pub struct S;
+
+/// Not needed for the #98547 ICE to occur, but added to maximize the chance of
+/// getting an ICE in the future. See
+/// <https://github.com/rust-lang/rust/pull/98548#discussion_r908219164>
+pub struct S2;

src/test/rustdoc-json/glob_import.rs

@@ -0,0 +1,24 @@
+// This is a regression test for <https://github.com/rust-lang/rust/issues/98003>.
+
+#![feature(no_core)]
+#![no_std]
+#![no_core]
+
+// @has glob_import.json
+// @has - "$.index[*][?(@.name=='glob')]"
+// @has - "$.index[*][?(@.kind=='import')].inner.name" \"*\"
+
+
+mod m1 {
+    pub fn f() {}
+}
+mod m2 {
+    pub fn f(_: u8) {}
+}
+
+pub use m1::*;
+pub use m2::*;
+
+pub mod glob {
+    pub use *;
+}