Rollup of 7 pull requests

[matthiaskrgr]

Successful merges:

• impl FusedIterator and a size hint for the error sources iter #127091 (impl FusedIterator and a size hint for the error sources iter)
• Automatically taint when reporting errors from ItemCtxt #127358 (Automatically taint when reporting errors from ItemCtxt)
• Use verbose style when suggesting changing const with let #127382 (Use verbose style when suggesting changing const with let)
• #[doc(alias)]'s doc: say that ASCII spaces are allowed #127484 (#[doc(alias)]'s doc: say that ASCII spaces are allowed)
• More trait error reworking #127495 (More trait error reworking)
• Update f16/f128 FIXMEs that needed (NEG_)INFINITY #127496 (Update f16/f128 FIXMEs that needed (NEG_)INFINITY)
• small search graph refactor #127508 (small search graph refactor)

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[matthiaskrgr]

@bors r+ rollup=never p=7

[bors]

📌 Commit 0cda246 has been approved by matthiaskrgr

It is now in the queue for this repository.

[bors]

⌛ Testing commit 0cda246 with merge 978e1ae...

[rust-log-analyzer]

The job aarch64-apple failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

---- [ui] tests/ui/asm/aarch64/parse-error.rs stdout ----
diff of stderr:

398 LL |     const bar: /* Type */ = 0;
400 
- 
402 error: aborting due to 57 previous errors
403 
---
To only update this specific test, also pass `--test-args asm/aarch64/parse-error.rs`

error: 1 errors occurred comparing output.
status: exit status: 1
command: env -u RUSTC_LOG_COLOR RUSTC_ICE="0" RUST_BACKTRACE="short" "/Users/runner/work/rust/rust/build/aarch64-apple-darwin/stage2/bin/rustc" "/Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs" "-Zthreads=1" "-Zsimulate-remapped-rust-src-base=/rustc/FAKE_PREFIX" "-Ztranslate-remapped-path-to-local-path=no" "-Z" "ignore-directory-in-diagnostics-source-blocks=/Users/runner/.cargo" "-Z" "ignore-directory-in-diagnostics-source-blocks=/Users/runner/work/rust/rust/vendor" "--sysroot" "/Users/runner/work/rust/rust/build/aarch64-apple-darwin/stage2" "--target=aarch64-apple-darwin" "--check-cfg" "cfg(FALSE)" "--error-format" "json" "--json" "future-incompat" "-Ccodegen-units=1" "-Zui-testing" "-Zdeduplicate-diagnostics=no" "-Zwrite-long-types-to-disk=no" "-Cstrip=debuginfo" "--emit" "metadata" "-C" "prefer-dynamic" "--out-dir" "/Users/runner/work/rust/rust/build/aarch64-apple-darwin/test/ui/asm/aarch64/parse-error" "-A" "unused" "-A" "internal_features" "-Crpath" "-Cdebuginfo=0" "-Lnative=/Users/runner/work/rust/rust/build/aarch64-apple-darwin/native/rust-test-helpers" "-L" "/Users/runner/work/rust/rust/build/aarch64-apple-darwin/test/ui/asm/aarch64/parse-error/auxiliary"
--- stderr -------------------------------
error: requires at least a template string argument
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:11:9
   |
---

error: expected `)`, found `foo`
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:21:27
   |
LL |         asm!("{}", in(reg foo));
   |                           ^^^ expected `)`
error: expected expression, found end of macro arguments
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:23:27
   |
   |
LL |         asm!("{}", in(reg));

error: expected register class or explicit register
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:25:26
   |
   |
LL |         asm!("{}", inout(=) foo => bar);

error: expected expression, found end of macro arguments
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:27:37
   |
   |
LL |         asm!("{}", inout(reg) foo =>);


error: expected one of `!`, `,`, `.`, `::`, `?`, `{`, or an operator, found `=>`
   |
   |
LL |         asm!("{}", in(reg) foo => bar);

error: expected a path for argument to `sym`
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:31:24
   |
   |
LL |         asm!("{}", sym foo + bar);


error: expected one of `)`, `att_syntax`, `may_unwind`, `nomem`, `noreturn`, `nostack`, `preserves_flags`, `pure`, `raw`, or `readonly`, found `foo`
   |
   |
LL |         asm!("", options(foo));


error: expected one of `)` or `,`, found `foo`
   |
   |
LL |         asm!("", options(nomem foo));
   |                                ^^^ expected one of `)` or `,`

error: expected one of `)`, `att_syntax`, `may_unwind`, `nomem`, `noreturn`, `nostack`, `preserves_flags`, `pure`, `raw`, or `readonly`, found `foo`
   |
   |
LL |         asm!("", options(nomem, foo));

error: expected string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:41:30
   |
   |
LL |         asm!("", clobber_abi(foo));


error: expected one of `)` or `,`, found `foo`
   |
   |
LL |         asm!("", clobber_abi("C" foo));
   |                                  ^^^ expected one of `)` or `,`
error: expected string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:45:35
   |
   |
LL |         asm!("", clobber_abi("C", foo));

error: duplicate argument named `a`
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:52:36
   |
   |
LL |         asm!("{a}", a = const foo, a = const bar);
   |                     -------------  ^^^^^^^^^^^^^ duplicate argument
   |                     previously here

error: argument never used
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:52:36
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:52:36
   |
LL |         asm!("{a}", a = const foo, a = const bar);
   |                                    ^^^^^^^^^^^^^ argument never used
   |
   = help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {1} */"`
error: explicit register arguments cannot have names
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:57:18
   |
   |
LL |         asm!("", a = in("x0") foo);

error: positional arguments cannot follow named arguments or explicit register arguments
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:63:35
   |
   |
LL |         asm!("{1}", in("x0") foo, const bar);
   |                     ------------  ^^^^^^^^^ positional argument
   |                     explicit register argument


error: expected one of `clobber_abi`, `const`, `in`, `inlateout`, `inout`, `label`, `lateout`, `options`, `out`, or `sym`, found `""`
   |
   |
LL |         asm!("", options(), "");


error: expected one of `clobber_abi`, `const`, `in`, `inlateout`, `inout`, `label`, `lateout`, `options`, `out`, or `sym`, found `"{}"`
   |
   |
LL |         asm!("{}", in(reg) foo, "{}", out(reg) foo);

error: asm template must be a string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:70:14
   |
   |
LL |         asm!(format!("{{{}}}", 0), in(reg) foo);
   |
   = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)

error: asm template must be a string literal
error: asm template must be a string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:72:21
   |
LL |         asm!("{1}", format!("{{{}}}", 0), in(reg) foo, out(reg) bar);
   |
   = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)


error: _ cannot be used for input operands
   |
   |
LL |         asm!("{}", in(reg) _);


error: _ cannot be used for input operands
   |
   |
LL |         asm!("{}", inout(reg) _);


error: _ cannot be used for input operands
   |
   |
LL |         asm!("{}", inlateout(reg) _);

error: requires at least a template string argument
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:85:1
   |
   |
LL | global_asm!();

error: asm template must be a string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:87:13
   |
   |
LL | global_asm!(FOO);

error: expected token: `,`
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:89:18
   |
   |
LL | global_asm!("{}" FOO);
   |                  ^^^ expected `,`
error: expected operand, options, or additional template string
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:91:19
   |
   |
LL | global_asm!("{}", FOO);
   |                   ^^^ expected operand, options, or additional template string
error: expected expression, found end of macro arguments
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:93:24
   |
   |
LL | global_asm!("{}", const);


error: expected one of `,`, `.`, `?`, or an operator, found `FOO`
   |
   |
LL | global_asm!("{}", const(reg) FOO);
   |                              ^^^ expected one of `,`, `.`, `?`, or an operator

error: expected one of `)`, `att_syntax`, or `raw`, found `FOO`
   |
   |
LL | global_asm!("", options(FOO));
   |                         ^^^ expected one of `)`, `att_syntax`, or `raw`

error: expected one of `)`, `att_syntax`, or `raw`, found `nomem`
   |
   |
LL | global_asm!("", options(nomem FOO));
   |                         ^^^^^ expected one of `)`, `att_syntax`, or `raw`

error: expected one of `)`, `att_syntax`, or `raw`, found `nomem`
   |
   |
LL | global_asm!("", options(nomem, FOO));
   |                         ^^^^^ expected one of `)`, `att_syntax`, or `raw`
error: expected string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:104:29
   |
   |
LL | global_asm!("", clobber_abi(FOO));


error: expected one of `)` or `,`, found `FOO`
   |
   |
LL | global_asm!("", clobber_abi("C" FOO));
   |                                 ^^^ expected one of `)` or `,`
error: expected string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:108:34
   |
   |
LL | global_asm!("", clobber_abi("C", FOO));


error: `clobber_abi` cannot be used with `global_asm!`
   |
   |
LL | global_asm!("{}", clobber_abi("C"), const FOO);


error: `clobber_abi` cannot be used with `global_asm!`
   |
   |
LL | global_asm!("", options(), clobber_abi("C"));


error: `clobber_abi` cannot be used with `global_asm!`
   |
   |
LL | global_asm!("{}", options(), clobber_abi("C"), const FOO);

error: duplicate argument named `a`
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:116:35
   |
   |
LL | global_asm!("{a}", a = const FOO, a = const BAR);
   |                    -------------  ^^^^^^^^^^^^^ duplicate argument
   |                    previously here

error: argument never used
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:116:35
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:116:35
   |
LL | global_asm!("{a}", a = const FOO, a = const BAR);
   |                                   ^^^^^^^^^^^^^ argument never used
   |
   = help: if this argument is intentionally unused, consider using it in an asm comment: `"/* {1} */"`

error: expected one of `clobber_abi`, `const`, `options`, or `sym`, found `""`
   |
   |
LL | global_asm!("", options(), "");
   |                            ^^ expected one of `clobber_abi`, `const`, `options`, or `sym`

error: expected one of `clobber_abi`, `const`, `options`, or `sym`, found `"{}"`
   |
   |
LL | global_asm!("{}", const FOO, "{}", const FOO);
   |                              ^^^^ expected one of `clobber_abi`, `const`, `options`, or `sym`
error: asm template must be a string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:123:13
   |
   |
LL | global_asm!(format!("{{{}}}", 0), const FOO);
   |
   = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)

error: asm template must be a string literal
error: asm template must be a string literal
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:125:20
   |
LL | global_asm!("{1}", format!("{{{}}}", 0), const FOO, const BAR);
   |
   = note: this error originates in the macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)

error[E0435]: attempt to use a non-constant value in a constant
error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:39:37
   |
LL |         asm!("{}", options(), const foo);
   |                                     ^^^ non-constant value
   |
help: consider using `const` instead of `let`
   |
LL |     const foo: /* Type */ = 0;

error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:47:44
   |
   |
LL |         asm!("{}", clobber_abi("C"), const foo);
   |                                            ^^^ non-constant value
help: consider using `const` instead of `let`
   |
   |
LL |     const foo: /* Type */ = 0;

error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:50:55
   |
   |
LL |         asm!("{}", options(), clobber_abi("C"), const foo);
   |                                                       ^^^ non-constant value
help: consider using `const` instead of `let`
   |
   |
LL |     const foo: /* Type */ = 0;

error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:52:31
   |
   |
LL |         asm!("{a}", a = const foo, a = const bar);
   |                               ^^^ non-constant value
help: consider using `const` instead of `let`
   |
   |
LL |     const foo: /* Type */ = 0;

error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:52:46
   |
   |
LL |         asm!("{a}", a = const foo, a = const bar);
   |                                              ^^^ non-constant value
help: consider using `const` instead of `let`
   |
   |
LL |     const bar: /* Type */ = 0;

error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:59:45
   |
   |
LL |         asm!("{a}", in("x0") foo, a = const bar);
   |                                             ^^^ non-constant value
help: consider using `const` instead of `let`
   |
   |
LL |     const bar: /* Type */ = 0;

error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:61:45
   |
   |
LL |         asm!("{a}", in("x0") foo, a = const bar);
   |                                             ^^^ non-constant value
help: consider using `const` instead of `let`
   |
   |
LL |     const bar: /* Type */ = 0;

error[E0435]: attempt to use a non-constant value in a constant
##[error]  --> /Users/runner/work/rust/rust/tests/ui/asm/aarch64/parse-error.rs:63:41
   |
   |
LL |         asm!("{1}", in("x0") foo, const bar);
   |                                         ^^^ non-constant value
help: consider using `const` instead of `let`
   |
   |
LL |     const bar: /* Type */ = 0;

error: aborting due to 57 previous errors

For more information about this error, try `rustc --explain E0435`.

[bors]

💔 Test failed - checks-actions