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| author | Niko Matsakis <niko@alum.mit.edu> | 2019-01-09 15:16:32 -0500 |
|---|---|---|
| committer | Niko Matsakis <niko@alum.mit.edu> | 2019-01-25 10:03:47 -0500 |
| commit | 8e4c57fca2f4bae61f7b567e7c72f96245f385bc (patch) | |
| tree | afbf7a76111a3a425c837171709eda9359c65e41 /src/libsyntax | |
| parent | 01f8e25b15f4ab157c8e7c9c56054df7595ec0e1 (diff) | |
| download | rust-8e4c57fca2f4bae61f7b567e7c72f96245f385bc.tar.gz rust-8e4c57fca2f4bae61f7b567e7c72f96245f385bc.zip | |
distinguish "no data" from "heterogeneous" for ABI purposes
Also, add a testing infrastructure and tests that lets us dump layout.
Diffstat (limited to 'src/libsyntax')
| -rw-r--r-- | src/libsyntax/feature_gate.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libsyntax/feature_gate.rs b/src/libsyntax/feature_gate.rs index 9e107fee5ba..85e80f7bdaf 100644 --- a/src/libsyntax/feature_gate.rs +++ b/src/libsyntax/feature_gate.rs @@ -938,6 +938,13 @@ pub const BUILTIN_ATTRIBUTES: &[(&str, AttributeType, AttributeTemplate, Attribu is just used for rustc unit tests \ and will never be stable", cfg_fn!(rustc_attrs))), + ("rustc_layout", Normal, template!(List: "field1, field2, ..."), + Gated(Stability::Unstable, + "rustc_attrs", + "the `#[rustc_layout]` attribute \ + is just used for rustc unit tests \ + and will never be stable", + cfg_fn!(rustc_attrs))), ("rustc_regions", Normal, template!(Word), Gated(Stability::Unstable, "rustc_attrs", "the `#[rustc_regions]` attribute \ |