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Diffstat (limited to 'compiler/rustc_middle/src/ty/sty.rs')
| -rw-r--r-- | compiler/rustc_middle/src/ty/sty.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/sty.rs b/compiler/rustc_middle/src/ty/sty.rs index c6621a7a643..b144fd0feb0 100644 --- a/compiler/rustc_middle/src/ty/sty.rs +++ b/compiler/rustc_middle/src/ty/sty.rs @@ -1149,7 +1149,10 @@ impl<'tcx> Ty<'tcx> { } } - /// Tests whether this is a Box using the global allocator. + /// Tests whether this is a Box definitely using the global allocator. + /// + /// If the allocator is still generic, the answer is `false`, but it may + /// later turn out that it does use the global allocator. #[inline] pub fn is_box_global(self, tcx: TyCtxt<'tcx>) -> bool { match self.kind() { |