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| author | Brian Anderson <andersrb@gmail.com> | 2016-10-19 11:22:49 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2016-10-19 11:22:49 -0700 |
| commit | d4f39402a0c2c2b94ec0375cd7f7f6d7918113cd (patch) | |
| tree | 0a3f7ab1668706d533e6692e8ce853c2aec4609a /src/librustc/ty/flags.rs | |
| parent | 3191fbae9da539442351f883bdabcad0d72efcb6 (diff) | |
| parent | 2d493421cacc42d04e7626259cc08a51ef6c24cb (diff) | |
| download | rust-1.12.1.tar.gz rust-1.12.1.zip | |
Merge pull request #37173 from brson/stable-next 1.12.1
[stable] Backports for 1.12.1
Diffstat (limited to 'src/librustc/ty/flags.rs')
| -rw-r--r-- | src/librustc/ty/flags.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/librustc/ty/flags.rs b/src/librustc/ty/flags.rs index 0997d6c1a75..a428c99119a 100644 --- a/src/librustc/ty/flags.rs +++ b/src/librustc/ty/flags.rs @@ -107,6 +107,11 @@ impl FlagComputation { } &ty::TyProjection(ref data) => { + // currently we can't normalize projections that + // include bound regions, so track those separately. + if !data.has_escaping_regions() { + self.add_flags(TypeFlags::HAS_NORMALIZABLE_PROJECTION); + } self.add_flags(TypeFlags::HAS_PROJECTION); self.add_projection_ty(data); } |