Internally limit alignment to 2^30

PlasmaPower · PlasmaPower · commit b4973e961974 · 2017-07-08T13:43:52.000-04:00
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)
             }

Original file line number	Diff line number	Diff line change
`@@ -314,6 +314,8 @@ impl Align {`
`314`	`314`	`}`
`315`	`315`	`if bytes != 1 {`
`316`	`316`	Err(format!("`{}` is not a power of 2", align))
	`317`	`+ } else if pow > 30 {`
	`318`	+ Err(format!("`{}` is too large", align))
`317`	`319`	`} else {`
`318`	`320`	`Ok(pow)`
`319`	`321`	`}`