Internally limit alignment to 2^30

rust-lang · Jul 8, 2017 · b4973e9 · b4973e9
1 parent da81a33
commit b4973e9
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/librustc/ty/layout.rs b/src/librustc/ty/layout.rs
@@ -314,6 +314,8 @@ impl Align {
             }
             if bytes != 1 {
                 Err(format!("`{}` is not a power of 2", align))
+            } else if pow > 30 {
+                Err(format!("`{}` is too large", align))
             } else {
                 Ok(pow)
             }