Merge pull request #20686 from compnerd/alignment

compnerd · web-flow · commit ab3709996757 · 2018-11-21T09:34:14.000-08:00
stdlib: pass along alignment for dealloc
diff --git a/stdlib/public/core/UnsafePointer.swift b/stdlib/public/core/UnsafePointer.swift
@@ -580,7 +580,8 @@ public struct UnsafeMutablePointer<Pointee>: _Pointer {
   /// block. The memory must not be initialized or `Pointee` must be a trivial type.
   @inlinable
   public func deallocate() {
-    Builtin.deallocRaw(_rawValue, (-1)._builtinWordValue, (-1)._builtinWordValue)
+    Builtin.deallocRaw(_rawValue, (-1)._builtinWordValue,
+                       Builtin.alignof(Pointee.self))
   }
 
   /// Accesses the instance referenced by this pointer.

Original file line number	Diff line number	Diff line change
`@@ -580,7 +580,8 @@ public struct UnsafeMutablePointer<Pointee>: _Pointer {`
`580`	`580`	/// block. The memory must not be initialized or `Pointee` must be a trivial type.
`581`	`581`	`@inlinable`
`582`	`582`	`public func deallocate() {`
`583`		`- Builtin.deallocRaw(_rawValue, (-1)._builtinWordValue, (-1)._builtinWordValue)`
	`583`	`+ Builtin.deallocRaw(_rawValue, (-1)._builtinWordValue,`
	`584`	`+ Builtin.alignof(Pointee.self))`
`584`	`585`	`}`
`585`	`586`
`586`	`587`	`/// Accesses the instance referenced by this pointer.`