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41c6fa812b
rust/compiler/rustc_target
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Erik Desjardins 41c6fa812b sparc64: fix crash in ABI code for { f64, f32 } struct 
This would trigger a `Size::sub: 0 - 8 would result in negative size` abort,
if `data.last_offset > offset`.

This is almost hilariously easy to trigger (https://godbolt.org/z/8rbv57xET):

```rust
#[repr(C)]
pub struct DoubleFloat {
    f: f64,
    g: f32,
}

#[no_mangle]
pub extern "C" fn foo(x: DoubleFloat) {}
```

Tests for this will be covered by the cast-target-abi.rs test added in a later commit.
2024-03-17 00:36:27 -04:00
..
src sparc64: fix crash in ABI code for { f64, f32 } struct 2024-03-17 00:36:27 -04:00
Cargo.toml Update to bitflags 2 in the compiler 2023-12-30 18:17:28 +01:00
README.md Fix outdated crate names in compiler docs 2021-04-08 11:12:14 -05:00

README.md

rustc_target contains some very low-level details that are specific to different compilation targets and so forth.

For more information about how rustc works, see the rustc dev guide.