std cannot be compiled on win7 targets

[823984418]

The relevant commit seem to be located at
rust-lang/backtrace-rs@7d26334

Meta

rustc 1.80.0-nightly (a330e4959 2024-06-04)
binary: rustc
commit-hash: a330e49593ee890f9197727a3a558b6e6b37f843
commit-date: 2024-06-04
host: x86_64-pc-windows-msvc
release: 1.80.0-nightly
LLVM version: 18.1.6

Error

error[E0308]: `if` and `else` have incompatible types
   --> D:\Program Files\rust\rustup\toolchains\nightly-x86_64-pc-windows-msvc\lib\rustlib\src\rust\library\std\src\..\..\backtrace\src\symbolize\dbghelp.rs:111:9
    |
104 |       let resolve_inner = if (*dbghelp.dbghelp()).SymAddrIncludeInlineTrace().is_some() {
    |  _________________________-
105 | |         // We are on a version of dbghelp 6.2+, which contains the more modern
106 | |         // Inline APIs.
107 | |         resolve_with_inline
    | |         ------------------- expected because of this
...   |
111 | |         resolve_legacy
    | |         ^^^^^^^^^^^^^^ expected `Option<()>`, found `()`
112 | |     };
    | |_____- `if` and `else` have incompatible types
    |
    = note: expected fn item `unsafe for<'a, 'b> fn(&'a Init, _, Option<_>, &'b mut (dyn for<'a> core::ops::FnMut(&'a symbolize::Symbol) + 'b)) -> Option<()> {resolve_with_inline}`
               found fn item `unsafe for<'a, 'b> fn(&'a Init, _, Option<_>, &'b mut (dyn for<'a> core::ops::FnMut(&'a symbolize::Symbol) + 'b)) {resolve_legacy}`

[workingjubilee]

Ah.
cc @ChrisDenton

[workingjubilee]

Ah, this was fixed in rust-lang/backtrace-rs#631

[823984418]

Ah, this was fixed in rust-lang/backtrace-rs#631

Okay, it seems like this is just a misunderstanding.win7 keywords cannot be searched Windows 7...

[workingjubilee]

@823984418 This won't be actually fixed in std until #126110 lands.