Rollup merge of #51842 - rust-lang:align-is-nonzero, r=cramertj

Document that Layout::from_size_align does not allow align=0 This was already implied since zero is not a power of two, but maybe worth pointing out.
rust-lang · Jun 27, 2018 · 99a0d6b · 99a0d6b
2 parents 7f4347f + 1565fc2
commit 99a0d6b
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/libcore/alloc.rs b/src/libcore/alloc.rs
@@ -67,6 +67,8 @@ impl Layout {
     /// or returns `LayoutErr` if either of the following conditions
     /// are not met:
     ///
+    /// * `align` must not be zero,
+    ///
     /// * `align` must be a power of two,
     ///
     /// * `size`, when rounded up to the nearest multiple of `align`,